<p>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.</p> <p>Episode image credit: Sunna Withers, AICO</p>

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

20251006_Strange Worlds, Old Data, and New Science

York Universe is a weekly astronomy and astrophysics program written and presented by the students, faculty, alumni, and friends of the Allan I Carswell Observatory at York University in Toronto, Ontario, Canada. Image credits: AICO, Elaina Hyde, Max Neumann

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20251006_Strange Worlds, Old Data, and New Science

20251006_Strange Worlds, Old Data, and New Science