Is there life on Mars (and did it come from Earth)

Panspermia – the idea that organisms can “hitchhike” around the solar system on comets and debris from meteor strikes – has long fascinated astronomers.

But thanks to advances in computing, they are now able to simulate these journeys – and follow potential stowaways as they hitch around the Solar System.

via BBC News – Dinosaur asteroid 'sent life to Mars'.


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