What's the most efficient way of space travel? How does longitude change your night sky view? Why does M87* look different? This month, Izzie Clarke, Dr Becky Smethurst and Dr Robert Massey take on your questions in The Supermassive Mailbox.



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The Supermassive Podcast from the Royal Astronomical Society is a Boffin Media Production. The producers are Izzie Clarke and Richard Hollingham.