Alien Planets Could Shed Light on Earth'

June 08 [Sat], 2013, 7:30
A Comparative Climatology Symposium held at NASA Headquarters on May 7 focused on new approaches to climate research by highlighting the similarities and contrasts between the environments of the rocky worlds Venus, Earth, Mars and Saturns smoggy moon Titan. 

The symposium also included discussions about , the sun and past, present and future space missions.

John Grunsfeld, Associate Administrator for NASAs Science Mission Directorate, said that the upcomingwill be able to make important observations of the atmospheres of exoplanets. []

He said JWST wont be able to locate the exoplanets, only study them, but the recently selectedcould act as a  planet scout for JWST targets. It is estimated that TESS will discover around 300 "super-Earth" alien planets, many of them in the habitable zone.

But the number one challenge, Grunsfeld noted, is figuring out the .
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