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AllanICarswellObservatoryJoin us this Wednesday, September 17 for an exciting evening of astronomy at the Allan I. Carswell Observatory! We are hosting an observatory tour where guests will have a chance to explore the inside of our incredible 1m and 60cm telescope domes. Bonus: If the skies are clear, we’ll set up our 1m telescope for live observing! Date: Wednesday, September 17, 2025 Time: 7:30 – 9:30 PM ET Location: Petrie Science and Engineering Building, 3rd Floor Get your free tickets here: <a href="https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-observatory-tour-september-17th--2025" rel="nofollow noopener" target="_blank">https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-observatory-tour-september-17th--2025</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/ClearSkies?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ClearSkies</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/FreeEvents?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FreeEvents</a> <a href="https://pixelfed.social/discover/tags/FamilyFriendly?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FamilyFriendly</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

AllanICarswellObservatoryTune in tonight, September 15, for a new episode of York Universe LIVE! Join us as we discuss fascinating astronomy history and the latest space news including the launch of Gemini 11 and the first time gravitational waves were detected! If weather permits, we’ll have Online Public Viewing where we show you live views from our 1m telescope! Date: Monday, September 15, 2025 Time: 9:00 – 10:00 PM ET Where: www.youtube.com/@YorkUObservatory/live <a href="https://pixelfed.social/discover/tags/Gemini11?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Gemini11</a> <a href="https://pixelfed.social/discover/tags/GravitationalWaves?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#GravitationalWaves</a> <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Radio?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Radio</a> <a href="https://pixelfed.social/discover/tags/Show?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Show</a> <a href="https://pixelfed.social/discover/tags/Podcast?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Podcast</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/YorkUniverse?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUniverse</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

Fireside FediGood day all you lovely Fedizens ! Big week coming up on Fireside Fedi! We have THREE! YES! COUNT THEM! THREE! How many? Leave the answer in a reply and you could win one of our amazing TOTALLY real prizes! (Please note these prizes are not real at all.) All times are Eastern US, UTC-4. Mon 2025-09-15 1030 - <a href="https://mastodon.social/@sturmsucht" class="u-url mention" rel="nofollow noopener" target="_blank">@sturmsucht</a> - Photographer (<a href="https://pixelfed.de/sturmsucht" class="u-url mention" rel="nofollow noopener" target="_blank">@sturmsucht</a>), Fedizen, Techie, Awesome dude. Wed 2025-09-17 1200 - <a href="https://mastodon.social/@sundogplanets" class="u-url mention" rel="nofollow noopener" target="_blank">@sundogplanets</a> - Astronomer, goat farmer (I wonder what season you plant goat seeds btw), Canadian, AWESOME woman! I know saying Canadian followed by Awesome is redundant, but I'm on a roll here! Fri 2025-09-19 1300 - <a href="https://dair-community.social/@timnitGebru" class="u-url mention" rel="nofollow noopener" target="_blank">@timnitGebru</a> - Fired from Google for being an amazing human and not some corporate drone, founder of DAIR Institute, snappy dresser! Obviously totally AWESOME! Set your calendars or follow ours! Watch the show live: <a href="https://social.firesidefedi.live/tags/owncast" class="mention hashtag" rel="nofollow noopener" target="_blank">#Owncast</a> <a href="https://social.firesidefedi.live/tags/livestream" class="mention hashtag" rel="nofollow noopener" target="_blank">#Livestream</a> - <a href="https://stream.firesidefedi.live" rel="nofollow noopener" target="_blank">https://stream.firesidefedi.live</a> After the show: <a href="https://social.firesidefedi.live/tags/peertube" class="mention hashtag" rel="nofollow noopener" target="_blank">#Peertube</a> <a href="https://social.firesidefedi.live/tags/vod" class="mention hashtag" rel="nofollow noopener" target="_blank">#VOD</a> - <a href="https://video.firesidefedi.live" rel="nofollow noopener" target="_blank">https://video.firesidefedi.live</a> <a href="https://social.firesidefedi.live/tags/castopod" class="mention hashtag" rel="nofollow noopener" target="_blank">#Castopod</a> <a href="https://social.firesidefedi.live/tags/fedicast" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fedicast</a> - <a href="https://audio.firesidefedi.live" rel="nofollow noopener" target="_blank">https://audio.firesidefedi.live</a> <a href="https://social.firesidefedi.live/tags/youtube" class="mention hashtag" rel="nofollow noopener" target="_blank">#Youtube</a> - <a href="https://www.youtube.com/channel/UCaJ15PXgRihoPku7JMdDnsw" rel="nofollow noopener" target="_blank">https://www.youtube.com/channel/UCaJ15PXgRihoPku7JMdDnsw</a> All <a href="https://social.firesidefedi.live/tags/links" class="mention hashtag" rel="nofollow noopener" target="_blank">#Links</a> - <a href="https://firesidefedi.live" rel="nofollow noopener" target="_blank">https://firesidefedi.live</a> <a href="https://social.firesidefedi.live/tags/stream" class="mention hashtag" rel="nofollow noopener" target="_blank">#stream</a> <a href="https://social.firesidefedi.live/tags/interview" class="mention 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rel="nofollow noopener" target="_blank">#fediverse</a> <a href="https://social.firesidefedi.live/tags/open" class="mention hashtag" rel="nofollow noopener" target="_blank">#open</a> <a href="https://social.firesidefedi.live/tags/internet" class="mention hashtag" rel="nofollow noopener" target="_blank">#internet</a> <a href="https://social.firesidefedi.live/tags/openinternet" class="mention hashtag" rel="nofollow noopener" target="_blank">#openInternet</a> <a href="https://social.firesidefedi.live/tags/podcast" class="mention hashtag" rel="nofollow noopener" target="_blank">#podcast</a> <a href="https://social.firesidefedi.live/tags/show" class="mention hashtag" rel="nofollow noopener" target="_blank">#show</a> <a href="https://social.firesidefedi.live/tags/episode" class="mention hashtag" rel="nofollow noopener" target="_blank">#episode</a> <a href="https://social.firesidefedi.live/tags/peertube" class="mention hashtag" rel="nofollow noopener" target="_blank">#peertube</a> <a href="https://social.firesidefedi.live/tags/vod" class="mention hashtag" rel="nofollow noopener" target="_blank">#vod</a> <a href="https://social.firesidefedi.live/tags/castopod" class="mention hashtag" rel="nofollow noopener" target="_blank">#castopod</a> <a href="https://social.firesidefedi.live/tags/writefreely" class="mention hashtag" rel="nofollow noopener" target="_blank">#writefreely</a> <a href="https://social.firesidefedi.live/tags/lemmy" class="mention hashtag" rel="nofollow noopener" target="_blank">#lemmy</a> <a href="https://social.firesidefedi.live/tags/boostplease" class="mention hashtag" rel="nofollow noopener" target="_blank">#boostplease</a> <a href="https://social.firesidefedi.live/tags/fedizen" class="mention hashtag" rel="nofollow noopener" target="_blank">#fedizen</a> <a href="https://social.firesidefedi.live/tags/btfree" class="mention hashtag" rel="nofollow noopener" target="_blank">#btfree</a> <a href="https://social.firesidefedi.live/tags/bigtechfree" class="mention hashtag" rel="nofollow noopener" target="_blank">#bigTechFree</a> <a href="https://social.firesidefedi.live/tags/nonprofit" class="mention hashtag" rel="nofollow noopener" target="_blank">#nonprofit</a> <a href="https://social.firesidefedi.live/tags/signup" class="mention hashtag" rel="nofollow noopener" target="_blank">#signup</a> <a href="https://social.firesidefedi.live/tags/tubefree" class="mention hashtag" rel="nofollow noopener" target="_blank">#tubeFree</a> <a href="https://social.firesidefedi.live/tags/awesome" class="mention hashtag" rel="nofollow noopener" target="_blank">#awesome</a> <a href="https://social.firesidefedi.live/tags/fedizen" class="mention hashtag" rel="nofollow noopener" target="_blank">#fedizen</a> <a href="https://social.firesidefedi.live/tags/astronomer" class="mention hashtag" rel="nofollow noopener" target="_blank">#astronomer</a> <a href="https://social.firesidefedi.live/tags/google" class="mention hashtag" rel="nofollow noopener" target="_blank">#google</a> <a href="https://social.firesidefedi.live/tags/dairinstitute" class="mention hashtag" rel="nofollow noopener" target="_blank">#dairInstitute</a> <a href="https://social.firesidefedi.live/tags/ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#AI</a> <a href="https://social.firesidefedi.live/tags/research" class="mention hashtag" rel="nofollow noopener" target="_blank">#research</a> <a href="https://social.firesidefedi.live/tags/canadian" class="mention hashtag" rel="nofollow noopener" target="_blank">#canadian</a> <a href="https://social.firesidefedi.live/tags/photographer" class="mention hashtag" rel="nofollow noopener" target="_blank">#photographer</a> <a href="https://social.firesidefedi.live/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#photography</a> <a href="https://social.firesidefedi.live/tags/goats" class="mention hashtag" rel="nofollow noopener" target="_blank">#GOATS</a> If you're enjoying the show, please consider supporting our new nonprofit btfree.org at <a href="https://givebutter.com/btfree" rel="nofollow noopener" target="_blank">https://givebutter.com/btfree</a>. We're currently running <a href="https://tubefree.org" rel="nofollow noopener" target="_blank">https://tubefree.org</a> which is a moderated peertube open for signups right now!

AllanICarswellObservatoryHappy Space Science Saturday! NGC 6946 lies 25 million light-years away and is a face-on galaxy, meaning it faces us, which makes it easy to observe. In the last century, it’s had 10 supernovae (vs. the Milky Way’s 2), earning it the nickname the Fireworks Galaxy! <a href="https://pixelfed.social/discover/tags/NGC6946?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#NGC6946</a> <a href="https://pixelfed.social/discover/tags/Fireworks?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Fireworks</a> <a href="https://pixelfed.social/discover/tags/Galaxy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Galaxy</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/SpaceScienceSaturday?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceScienceSaturday</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Research?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Research</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a>

knizer<a href="https://toot.boston/tags/BostonWeekend" class="mention hashtag" rel="nofollow noopener" target="_blank">#BostonWeekend</a> 2x Through 5 Oct (<a href="https://toot.boston/tags/SCIENCE" class="mention hashtag" rel="nofollow noopener" target="_blank">#SCIENCE</a> x <a href="https://toot.boston/tags/THEATRE" class="mention hashtag" rel="nofollow noopener" target="_blank">#THEATRE</a>) <a href="https://toot.boston/tags/SilentSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#SilentSky</a> in <a href="https://toot.boston/tags/CambridgeMA" class="mention hashtag" rel="nofollow noopener" target="_blank">#CambridgeMA</a> ”$27 to $103. Lauren Gunderson’s female-led science <a href="https://toot.boston/tags/drama" class="mention hashtag" rel="nofollow noopener" target="_blank">#drama</a> tells the true story of 19th century <a href="https://toot.boston/tags/astronomer" class="mention hashtag" rel="nofollow noopener" target="_blank">#astronomer</a> <a href="https://toot.boston/tags/HenriettaLeavitt" class="mention hashtag" rel="nofollow noopener" target="_blank">#HenriettaLeavitt</a> as she explores a woman’s place in society during a time of immense scientific discoveries. With music and <a href="https://toot.boston/tags/math" class="mention hashtag" rel="nofollow noopener" target="_blank">#math</a>, Henrietta and her female peers change the way we understand both the heavens and the Earth.” <a href="https://www.centralsquaretheater.org/shows/silent-sky/" rel="nofollow noopener" translate="no" target="_blank">https://www.centralsquaretheater.org/shows/silent-sky/</a> <a href="https://toot.boston/tags/Boston" class="mention hashtag" rel="nofollow noopener" target="_blank">#Boston</a> <a href="https://toot.boston/tags/BostonTheatre" class="mention hashtag" rel="nofollow noopener" target="_blank">#BostonTheatre</a> <a href="https://toot.boston/tags/STEM" class="mention hashtag" rel="nofollow noopener" target="_blank">#STEM</a>

AllanICarswellObservatoryThe Allan I. Carswell Observatory is hosting an in-person sky-observing tour! Join us this Wednesday, September 10, at 7:30 PM at the Arboretum Lane Parking Garage just across from the York University Petrie Science and Engineering Building. This is your chance to view the night sky through our 40- and 20-inch telescopes! Date: Wednesday, September 10, 2025 Time: 7:30 – 9:30 PM ET Location: Arboretum Lane Parking Garage Get your free tickets here: <a href="https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-arboretum-in-person-event-september-10th--2025" rel="nofollow noopener" target="_blank">https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-arboretum-in-person-event-september-10th--2025</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/ClearSkies?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ClearSkies</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/FreeEvents?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FreeEvents</a> <a href="https://pixelfed.social/discover/tags/FamilyFriendly?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FamilyFriendly</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

AllanICarswellObservatoryTune in tonight, September 8, for a new episode of York Universe LIVE! Join us as we discuss fascinating astronomy history and the latest space news! If weather permits, we’ll have Online Public Viewing where we show you live views from our 1m telescope! Date: Monday, September 8, 2025 Time: 9:00 – 10:00 PM ET Where: www.youtube.com/@YorkUObservatory/live <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Radio?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Radio</a> <a href="https://pixelfed.social/discover/tags/Show?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Show</a> <a href="https://pixelfed.social/discover/tags/Podcast?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Podcast</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/YorkUniverse?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUniverse</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

AllanICarswellObservatoryThis weekend brings a total lunar eclipse, but it won’t be visible from Toronto, unfortunately. A lunar eclipse happens when the Earth passes directly between the Sun and the Moon, casting its shadow across the lunar surface. During a total eclipse, the Moon often turns a reddish hue, earning the nickname “blood moon.” The celestial event will be visible for our friends across Asia and Australia and the central and eastern parts of Africa and Europe. This September Full Moon is also traditionally called the Corn Moon from Native American tribes harvesting their corn around this time. <a href="https://pixelfed.social/discover/tags/CornMoon?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#CornMoon</a> <a href="https://pixelfed.social/discover/tags/BloodMoon?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#BloodMoon</a> <a href="https://pixelfed.social/discover/tags/LunarEclipse?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#LunarEclipse</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> #Stargazing#Pollux <a href="https://pixelfed.social/discover/tags/Castor?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Castor</a> <a href="https://pixelfed.social/discover/tags/Gemini?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Gemini</a> <a href="https://pixelfed.social/discover/tags/Constellation?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Constellation</a> <a href="https://pixelfed.social/discover/tags/SpaceScienceSaturday?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceScienceSaturday</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Research?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Research</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a>

AllanICarswellObservatoryAttention: the tour tonight has been changed to an observatory tour Date: Wednesday, September 3, 2025 Time: 8:00 – 10:00 PM ET Location: Petrie science and engineering building, 3rd floor Get your free tickets here: <a href="https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-arboretum-in-person-event-september-3rd--2025" rel="nofollow noopener" target="_blank">https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-arboretum-in-person-event-september-3rd--2025</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/ClearSkies?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ClearSkies</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/FreeEvents?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FreeEvents</a> <a href="https://pixelfed.social/discover/tags/FamilyFriendly?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FamilyFriendly</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

AllanICarswellObservatoryJoin us the evening of August 29 for an exciting talk on the Role of Interior Solidification Processes on Lava Planet Atmosphere with guest speaker Nakul Sethrum. Attach poster When: Friday, August 29, 2025 Time: 7:30 PM Where: www.youtube.com/@YorkUObserva tory/live Image Credit: Eugene Golovesov <a href="https://pixelfed.social/discover/tags/LavaPlanets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#LavaPlanets</a> <a href="https://pixelfed.social/discover/tags/Atmosphere?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Atmosphere</a> <a href="https://pixelfed.social/discover/tags/Solidification?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Solidification</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Lecture?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Lecture</a> <a href="https://pixelfed.social/discover/tags/Event?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Event</a> <a href="https://pixelfed.social/discover/tags/Research?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Research</a>

AllanICarswellObservatoryThe Allan I. Carswell Observatory is hosting an in-person sky-observing tour! Join us this Wednesday, August 27, at 8:00 PM at the Arboretum Lane Parking Garage just across from the York University Petrie Science and Engineering Building. This is your chance to view the night sky through our 40- and 20-inch telescopes! Date: Wednesday, August 27, 2025 Time: 8:00 – 10:00 PM ET Location: Arboretum Lane Parking Garage Get your free tickets here: <a href="https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-arboretum-in-person-event-august-27th--2025" rel="nofollow noopener" target="_blank">https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-arboretum-in-person-event-august-27th--2025</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/ClearSkies?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ClearSkies</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/FreeEvents?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FreeEvents</a> <a href="https://pixelfed.social/discover/tags/FamilyFriendly?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FamilyFriendly</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

AllanICarswellObservatoryTune in tonight, August 25, for a new episode of York Universe LIVE! Join us as we discuss fascinating astronomy history and the latest space news! If weather permits, we’ll have Online Public Viewing where we show you live views from our 1m telescope! Date: Monday, August 25, 2025 Time: 9:00 – 10:00 PM ET Where: www.youtube.com/@YorkUObservatory/live <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Radio?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Radio</a> <a href="https://pixelfed.social/discover/tags/Show?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Show</a> <a href="https://pixelfed.social/discover/tags/Podcast?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Podcast</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/YorkUniverse?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUniverse</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

Ele Willoughby, PhDHappy birthday to Sophie Brahe (born either Aug 24, 1559 or Sept 22, 1556 -1643) horticulturalist, astronomer, genealogist, & alchemist with the gardens at her brother <a href="https://spore.social/tags/astronomer" class="mention hashtag" rel="nofollow noopener" target="_blank">#astronomer</a> Tycho Brahe’s Uraniborg estate, where she often assisted his research, alchemical tools & illustrations of the supernova she observed as Tycho’s assistant. 🧵1/nTycho trained her in horticulture & chemistry but initially discouraged astronomy. <a href="https://spore.social/tags/womenInSTEM" class="mention hashtag" rel="nofollow noopener" target="_blank">#womenInSTEM</a> <a href="https://spore.social/tags/histsci" class="mention hashtag" rel="nofollow noopener" target="_blank">#histsci</a> <a href="https://spore.social/tags/printerSolstice" class="mention hashtag" rel="nofollow noopener" target="_blank">#printerSolstice</a> <a href="https://spore.social/tags/sciart" class="mention hashtag" rel="nofollow noopener" target="_blank">#sciart</a> <a href="https://spore.social/tags/mastoArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#mastoArt</a>

AllanICarswellObservatoryHappy Space Science Saturday! A rare Black Moon is coming the night of August 22-23, 2025! This seasonal Black Moon is the third new moon of summer, and while you won’t see it (its sunlit side faces away from Earth), its absence means the darkest skies for stargazing. Catch more stars than usual this weekend and enjoy one of the sky’s rare folklore events! Happy Viewing! <a href="https://pixelfed.social/discover/tags/BlackMoon?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#BlackMoon</a> <a href="https://pixelfed.social/discover/tags/SpaceScienceSaturday?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceScienceSaturday</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Research?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Research</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a>

AllanICarswellObservatoryJoin us this Wednesday, August 20 for an exciting evening of astronomy at the Allan I. Carswell Observatory! We are hosting an observatory tour where guests will have a chance to explore the inside of our incredible 1m and 60cm telescope domes. Bonus: If the skies are clear, we’ll set up our 1m telescope for live observing! Date: Wednesday, August 20, 2025 Time: 8:00 – 10:00 PM ET Location: Petrie Science and Engineering Building, 3rd Floor Get your free tickets here: <a href="https://www.zeffy.com/ticketing/allan-i-carswell-observatory-tour-august-20th--2025" rel="nofollow noopener" target="_blank">https://www.zeffy.com/ticketing/allan-i-carswell-observatory-tour-august-20th--2025</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/ClearSkies?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ClearSkies</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/FreeEvents?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FreeEvents</a> <a href="https://pixelfed.social/discover/tags/FamilyFriendly?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FamilyFriendly</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

AllanICarswellObservatoryTune in tonight, August 18, for a new episode of York Universe LIVE! Join us as we discuss fascinating astronomy history and the latest space news! If weather permits, we’ll have Online Public Viewing where we show you live views from our 1m telescope! Date: Monday, August 18, 2025 Time: 9:00 – 10:00 PM ET Where: www.youtube.com/@YorkUObservatory/live <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Radio?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Radio</a> <a href="https://pixelfed.social/discover/tags/Show?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Show</a> <a href="https://pixelfed.social/discover/tags/Podcast?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Podcast</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/YorkUniverse?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUniverse</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

AllanICarswellObservatoryHappy Space Science Saturday! Have you heard of a star trapped within a bubble? Meet NGC 7635, also known as the Bubble Nebula. It is in the Cassiopeia constellation, about 7,100 light-years away from us. Scientists believe this massive star will go supernova in 10-20 million years. To learn more about the Bubble Nebula check out: <a href="https://svs.gsfc.nasa.gov/12247" rel="nofollow noopener" target="_blank">https://svs.gsfc.nasa.gov/12247</a> <a href="https://pixelfed.social/discover/tags/BubbleNebula?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#BubbleNebula</a> <a href="https://pixelfed.social/discover/tags/NGC7635?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#NGC7635</a> <a href="https://pixelfed.social/discover/tags/Cassiopeia?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Cassiopeia</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Research?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Research</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a>

AllanICarswellObservatoryThe Allan I. Carswell Observatory is hosting an in-person sky-observing tour! Join us this Wednesday, August 13, at 8:30 PM on the Arboretum Lane Parking Garage just across from the York University Petrie Science and Engineering Building. This is your chance to view the night sky through our 40- and 20-inch telescopes! Date: Wednesday, August 13, 2025 Time: 8:30 – 10:30 PM ET Location: Petrie Science and Engineering Building, 3rd Floor Get your free tickets here: <a href="https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-arboretum-in-person-event-august-13th--2025" rel="nofollow noopener" target="_blank">https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-arboretum-in-person-event-august-13th--2025</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/ClearSkies?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ClearSkies</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/FreeEvents?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FreeEvents</a> <a href="https://pixelfed.social/discover/tags/FamilyFriendly?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FamilyFriendly</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#ScienceOutreach</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

Petra van Cronenburg<a href="https://social.tchncs.de/@echopapa" class="u-url mention" rel="nofollow noopener" target="_blank">@echopapa</a> I just wanted to recommend following <a href="https://mastodon.social/@sundogplanets" class="u-url mention" rel="nofollow noopener" target="_blank">@sundogplanets</a> - the <a href="https://mastodon.online/tags/astronomer" class="mention hashtag" rel="nofollow noopener" target="_blank">#astronomer</a> and specialist for <a href="https://mastodon.online/tags/spaceDebris" class="mention hashtag" rel="nofollow noopener" target="_blank">#spaceDebris</a> ... and <a href="https://mastodon.online/tags/goats" class="mention hashtag" rel="nofollow noopener" target="_blank">#goats</a> climbing on horses! 😊 <a href="https://mastodon.online/tags/FollowFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#FollowFriday</a>

AllanICarswellObservatoryTune in tonight, August 11, for a new episode of York Universe LIVE! Join us as we discuss fascinating astronomy history and the latest space news! If weather permits, we’ll have Online Public Viewing where we show you live views from our 1m telescope! Date: Monday, August 11, 2025 Time: 9:00 – 10:00 PM ET Where: www.youtube.com/@YorkUObservatory/live <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Radio?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Radio</a> <a href="https://pixelfed.social/discover/tags/Show?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Show</a> <a href="https://pixelfed.social/discover/tags/Podcast?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Podcast</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/YorkUniverse?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUniverse</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/AICO?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AICO</a>

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