20250922_The Weird and Wonderful Planets of our Galaxy
Allan I Carswell Observatory Presents: York Universe
Release Date: 09/22/2025
20251208_Bennu and Beyond
Allan I Carswell Observatory Presents: York Universe
Tonight we discuss some fun history items, and of course the recent news about sugars and more on Bennu! The host is Dr. Elaina Hyde and we are joined by special guest Mahesh Aravamudan, a RASC Toronto Center member and astronomy enthusiast to investigate. The allsky camera for AICO mentioned in this episode can be found at: Image credit: Aview across asteroid Bennu’s southern hemisphere and into space. The image was obtained on March 7, 2019, by the PolyCam camera on NASA’s OSIRIS-REx spacecraft.
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20251201_HolidayShow
Allan I Carswell Observatory Presents: York Universe
Welcome to our holiday show! What was the star of Bethlehem? What is a great gift for an astronomer?
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20251124_ Mars and more
Allan I Carswell Observatory Presents: York Universe
Here we look at a few Mars related topics, including possible karstic (water eroded) caves and other findings around the solar systems. Image (open access) from Ravi, Sharma et al 2025 APJL 993 L36
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20251117_MeteorShower!
Allan I Carswell Observatory Presents: York Universe
Tonight the Leonid meteor shower peaks. Here we look at the Leonids in detail as well as comets and Frank Drake. Image: Leonid meteor storm of 1833 (Public Domain) find out more about the observatory at
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20251110_Good Satellites, Bad Satellites...
Allan I Carswell Observatory Presents: York Universe
Julie Tomé and Dr. Elaina Hyde discuss many satellites - most good, some bad! From Lunar Orbiter 2, San Marco 1, and Sputnik to giant space mirrors (shudder) and the JWST (hurray!), explore some of the history and news around satellites. Podcast Image: AICO, Sunna Withers, Zena Khadour
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20251103_Let’s Break the Universe!
Allan I Carswell Observatory Presents: York Universe
Tune in to go back in time to Tycho's Supernova of 1572, the history of daylight savings time, and how our view of the Universe was revolutionized, twice! This week's host's Paul Mackin and Sunna Withers also discuss astronomy news, including Comet 3I/Atlas and the chaos of galaxies in the early Universe. Image Description: Comet 3I/Atlas on July 21, 2025, imaged by the Hubble Space Telescope Image Credit: NASA, ESA, David Jewitt (UCLA); Image Processing: Joseph DePasquale (STScI)
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20251027_Comets and Stargazing with guest John Wilmot
Allan I Carswell Observatory Presents: York Universe
This episode features a round up of comets past and current, a bit of fun history, and some discussion of the 2025 Astronomer in Residence program. The host Dr. Elaina Hyde is joined by special guest John Wilmot, one of our 2025 astronomers who went out to Killarney Park as both an expert, and an amateur! Join us for a bit of fun, and keep in mind that the live views on YouTube for this episode include one of our comets from THIS season C2025/R2 (SWAN). The link to the observatory website mentioned in this episode is: . Image credit: Comet C2025/R2 SWAN as imaged by the AICO 1m...
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20251020_What the?
Allan I Carswell Observatory Presents: York Universe
Here we look at a number of interesting objects in our solar system, and missions to the less frequented places in the inner solar system like Mercury and Venus.
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20251006_Strange Worlds, Old Data, and New Science
Allan I Carswell Observatory Presents: York Universe
Julie and Jeremy chat about the history of exoplanet discovery, notable astronomers Riccardo Giacconi and Ejnar Hertzsprung, and the discovery of Triton. In the news, a rogue planet is acting like a star, old data sets are reanalysed to get new insights into Venus and Enceladus, and the Universe might not expand forever. Episode image credit: Sunna Withers, AICO
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20250929_Going Boldly!
Allan I Carswell Observatory Presents: York Universe
Join hosts Paul Mackin and Sunna Withers as we discuss spacecraft and astronomers who have gone boldly! We discuss both astronomy and sci-fi, including the nature of our Universe and the impact of Star Trek. Image: DART Impact Image Credit: NASA/Farnham et al. 2025
info_outlinePodcast Image: Cassini image of Saturn near its equinox in 2009
Photo Credit: NASA