The multiverse, alien existence and fit astronauts - a podcast by triple j

Today Dr Lucy and Dr Karl are joined by special guest astrophysicist Professor Geraint Lewis to answer all your questions from around the cosmos.

Can you get moonburnt? Could we ever move at the speed of light? How did the big bang happen? What's on the other side of the universe?

Dr Karl and Professor Geraint Lewis answer these questions and more on triple j Mornings with Lucy Smith.

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