Why Is There Motion in the Universe?

What happens if two diamond core stars collide? Will the Moon drift away from Earth? Why is there motion in the universe? And why we need a space AND time machine. Izzie, Dr Becky and Robert dive into The Supermassive Mailbox to answer your questions.

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

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