File:Exoplanet phase curve ESA21503702.jpg
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editDescriptionExoplanet phase curve ESA21503702.jpg |
English: The phase curve method to study extrasolar planets, or exoplanets. Depending on a planet's position with respect to its host star, the total light collected by a telescope will include a varying fraction of light reflected off the planet, in a similar manner to how we experience the phases of the Moon. The planet reflects no light during a phase known as secondary eclipse, when it is hidden from view, whereas it reflects some light shortly before and after this phase. In addition to that, the planet blocks a fraction of the light as it transits in front of the star. The changes in starlight reflected by the planet as it orbits its star provide insight into the physical processes that drive the transport of heat from the hot day side to the cooler night side. Analysis of the phase curves also reveals details of the planet’s atmosphere, including the presence of clouds, and possibly even hints of the cloud composition. ESA's Characterising Exoplanet Satellite, Cheops, will use the phase curve method to study some of the brightest stars in the mission's list of targets. More about Cheops |
Date | 11 December 2019 (upload date) |
Source | Exoplanet phase curve |
Author | European Space Agency |
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Activity InfoField | Space Science |
Mission InfoField | CHEOPS |
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editThis media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
See the ESA Creative Commons copyright notice for complete information, and this article for additional details.
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This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO license. Attribution: ESA, CC BY-SA IGO 3.0
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Author | European Space Agency |
Unique ID of original document | adobe:docid:indd:00955806-526d-11e1-8308-ea9cda2bba9a |
Date and time of digitizing | 12:32, 10 December 2019 |
File change date and time | 10:32, 10 December 2019 |
Date metadata was last modified | 12:32, 10 December 2019 |
Software used | Adobe Illustrator 24.0 (Macintosh) |