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.

For ad-free listening and to view Izzie's trajectory to becoming a better astronomer, join The Supermassive Club. Every member helps keep the show running, so thank you!

Send us your astronomy attempts, questions (and nonsense!) to podcast@ras.ac.uk, on Instagram at @supermassivepod or post in The Supermassive Club.

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

Hosted on Acast. See acast.com/privacy for more information.