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"Is gliese 581 c going to be looked at again to see if it is rocky or a water world? "
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A Mild, Habitable Hadean?
NAI’s Mark Harrison of the UCLA team co-authored a study published in this week’s Science describing a titanium thermometer technique used to measure the temperature at which ancient zircons from the Jack Hills in Western Australia formed. The results paint a mild picture of the Hadean, complete with an atmosphere and liquid water.
Source: [Link]
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