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The comet landed on by the spacecraft Philae could well be home to an abundance of alien microbial life, according to leading astronomers.
Features of the comet, named 67P/Churyumov-Gerasimenko, such as its organic-rich black crust, are most likely explained by the presence of living organisms beneath an icy surface, the scientists have said.
— The Guardian
On the other hand, Stuart Clark refutes the claims made in the linked article. In a response also published to the Guardian, "The vast majority of comet scientists would agree that comet 67P’s surface features are much more easily explained by non-biological mechanisms."Philae, the spacecraft... View full entry
