BONUS - What Shape is Space?

Izzie Clarke is joined by Dr Robert Massey to tackle your questions on the shape of space, measuring gravitational waves and planet spotting. We also have another - another! - astronaut: Producer Richard chats to British ESA astronaut Rosemary Coogan about her background as an astrophysicist. 

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The Supermassive Podcast is a Boffin Media production. The producers are Izzie Clarke and Richard Hollingham.

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