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Summary
| Description |
This is an artist's concept of the silhouette of the extrasolar planet HAT-P-11b as it passes its parent star. The planet was observed as it crossed in front of its star in order to learn more about its atmosphere.
In this method, known as transmission or absorption spectroscopy, starlight filters through the rim of the planet's atmosphere and into the telescope. If molecules like water vapour are present, they absorb some of the starlight, leaving distinct signatures in the light that reaches our telescopes. Using this technique, astronomers discovered clear skies and steamy water vapour on the planet. |
| Date | |
| Source | http://www.spacetelescope.org/images/heic1420a/ |
| Author | NASA/JPL-Caltech |
Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:37, 25 September 2014 | | 4,000 × 2,250 (1.54 MB) | Jmencisom | User created page with UploadWizard |
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