NASA spies water vapor in exoplanet: Can alien life exist?

September 26, 2014 1:38 AM

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Water vapor has been seen in the atmosphere of exoplanet HAT-P-11b, along with unusually clear skies. Could alien life exist there?(Photo : David A. Aguilar/CfA)

Water vapor has been spotted in the atmosphere of an exoplanet, roughly the size of Neptune. The alien world lies 124 light years from the Earth, and is the smallest planet ever observed with the vapor in its gaseous outer layer.

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