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News Release Archive:

News Release 334 of 959

January 31, 2007 01:00 PM (EST)

News Release Number: STScI-2007-07

Hubble Probes Layer-cake Structure of Alien World's Atmosphere

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Image: Hubble Measures Atmospheric Structure of Extrasolar Planet Hd 209458b (Non-Annotated)

Hubble Measures Atmospheric Structure of Extrasolar Planet Hd 209458b (Non-Annotated) Artist's Concept

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ABOUT THIS IMAGE:

This artist's illustration shows the layer-cake structure of the atmopshere of extrasolar planet HD 209458b. Hubble discovered a dense upper layer of hot hydrogen gas where the super-hot planet's atmosphere is bleeding off into space.

Object Name: HD 209458b

Image Type: Illustration/Artwork

Credit: NASA, ESA, and A. Feild (STScI)

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