BBC Ideas | Are we thinking about alien life all wrong? | BBC Ideas @bbcideas | Uploaded 1 year ago | Updated 2 hours ago
It's hard not to be fascinated by the idea of life on other planets - from UFOs and little green aliens to the possibility of life on Mars. Here's Professor Brian Cox explaining the 'panspermia' theory – how life could spread across the Universe.

Made by Pomona Pictures, in partnership with @TheOpenUniversity.

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