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We're looking out into the universe with two astonishing experts - one lands spaceships on comets and the other grows microbes on meteorites in the International Space Station.
Both are based in Edinburgh.
Colin Snodgrass is leading the next UK deep space mission called Comet Interceptor. This will catch a comet as it enters the solar system to find out what the planets looked like when they were formed.
Professor Charles Cockell - astrobiologist - discusses whether there is life on Mars and how he intends to prove it either way.
Presenters Dr Murray Collins, space lead at the Bayes Centre, and journalist Kim McAllister discuss what excites them about space - listen out for Murray's impression of Patrick Moore, from The Sky at Night...
www.ed.ac.uk
www.ed.ac.uk/bayes
www.twitter.com/murraybcollins
www.twitter.com/kimmcallister
