Tag Archives | comets


New evidence that comets may have seeded life on Earth

A new experiment simulating conditions in deep space has shown that linked pairs of amino acids – essential building blocks shared by all living things – could have been created on icy interplanetary dust and then carried to Earth where they jump-started life. Details of the experiment are reported in The Astrophysical Journal. The discovery, […]

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“Hot” Comets The Source Of Life?

A new study in the International Journal of Astrobiology contends that it is overwhelmingly likely that life came to Earth inside a radioactive comet with a liquid water core. Not wanting to hedge their bets, the scientists involved calculate the odds of life starting on Earth rather than inside a comet at one-trillion-trillion to one […]

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