Astronomers Use a Secondary-Eclipse Technique to Study Planet's Atmosphere

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Duration: 14 seconds

By taking near-infrared measurements at different stages of a planet's orbit around its parent star, astronomers can determine the composition of the planet's atmosphere.

Animated Answers, Exoplanets, HD Video, Stars


NASA, ESA, and A. Feild (STScI)

Publication: December 9, 2008

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