Land of the Titans - Saturn’s moon Titan has many of the components for life but without liquid water. The hydrocarbon haze that shrouds the planet’s largest moon could sustain molecules that make up DNA without the help of water. Paul Davies, a leading authority in astrobiology, says:
“To the best of our knowledge, the original chemicals chosen by known life on Earth do not constitute a unique set; other choices could have been made, and maybe were made if life started elsewhere many times.”
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