Artist's Concept of a Transit

About this video
Duration: 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.

Animated Answers, Exoplanets, Stars


B. Preston (Max-Q Digital, STScI)

Publication: November 27, 2001

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