Apollo 12, volcanic moons and cannibal galaxies

Listen to the latest episode of Radio Astronomy, the podcast from the makers of BBC Sky at Night Magazine.

This month we discuss Apollo 12 on its 50th anniversary, reveal news of an impending volcanic eruption on Jupiter’s moon Io, and speak to astrophysicist Geraint Lewis from the University of Sydney, who’s part of a team that has been studying the Andromeda Galaxy’s past galactic mergers.

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Listen to this month’s podcast here.