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News Release Archive:

News Release 545 of 959

November 27, 2001 01:00 PM (EST)

News Release Number: STScI-2001-38

Hubble Makes First Direct Measurements of Atmosphere on World Around another Star

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Video: Artist's Concept of a Transit

Artist's Concept Running Time: 16 seconds

A planet passes in front of its host star - a celestial event called a transit. Astronomers used such a transit to examine the gas giant orbiting HD 209458 by probing the star's light passing through the planet's atmosphere.

Credit: Bryan Preston (Max-Q Digital, STScI/AVL)


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