"What evidence exists for the assumption made by Stanley Miller that the atmosphere of early Earth was reducing and not oxidizing?"
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Question
What proof do you have that life exists on other planets?
None whatsoever. Discovering evidence of life on other worlds would be one of the greatest achievements of science. See other questions and answers on this page for further discussion of the likelihood of life on other worlds.
David Morrison
NAI Senior Scientist
July 7, 2003
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