To determine what’s in the atmosphere of an exoplanet, astronomers watch the planet pass in front of its host star and look at which wavelengths of light are transmitted and which are partially
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To determine what’s in the atmosphere of an exoplanet, astronomers watch the planet pass in front of its host star and look at which wavelengths of light are transmitted and which are partially absorbed.
Image Credit: 
NASA's Goddard Space Flight Center
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Yahoo News | Photo By NASA's Goddard Space Flight Center
Wed, Dec 4, 2013 11:00 AM EST