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What would it be like to feel gravitational waves? How are satellites protected from extreme solar storms? How do gravity slingshots work? Are aliens potentially communicating outside of the electromagnetic spectrum? Plus Izzie, Dr Becky and Robert share their annual Christmas present recommendations.

Keep sending your questions to podcast@ras.ac.uk, Instagram @SupermassivePod or members can post on The Supermassive Club's forum.

Join The Supermassive Club for ad-free listening, forum access, and extra content from the team.

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

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