Water On Earth ‘Predates’ Sun And Could Signal Life On Other Planets

September 26, 2014 5:26 PM

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Water On Earth ‘Predates’ Sun And Could Signal Life On Other Planets

At least some of Earth’s water is older than the solar system, including the sun, which could mean that other solar systems had water in the beginning, too, according to a new study published Thursday in the journal Science. The research suggests the ingredients for water were around before the protoplanetary disk of condensed gas that was the early stage of our solar system gave birth to the planets around 4.6 billion years ago.

"The implication of these findings is that some of the solar system's water must have been inherited from the sun's birth environment," Lauren Ilsedore Cleeves, a doctoral student at the University of Michigan and lead author of the study, said in a statement. "If our solar system's formation was ty...

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