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File:Kepler-62f with 62e as Morning Star.jpg

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English: Kepler-62f with 62e as Morning Star

http://www.nasa.gov/mission_pages/kepler/multimedia/images/kepler-morningstar.html

http://www.nasa.gov/images/content/742541main_Kepler-62MorningStar-1_full.jpg

The artist's concept depicts NASA's Kepler misssion's smallest habitable zone planet. Seen in the foreground is Kepler-62f, a super-Earth-size planet in the habitable zone of a star smaller and cooler than the sun, located about 1,200 light-years from Earth in the constellation Lyra.

Kepler-62f orbits its host star every 267 days and is roughly 40 percent larger than Earth in size. The size of Kepler-62f is known, but its mass and composition are not. However, based on previous exoplanet discoveries of similar size that are rocky, scientists are able to determine its mass by association.

Much like our solar system, Kepler-62 is home to two habitable zone worlds. The small shining object seen to the right of Kepler-62f is Kepler-62e. Orbiting on the inner edge of the habitable zone, Kepler-62e is roughly 60 percent larger than Earth.

Image credit: NASA Ames/JPL-Caltech
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来源 http://www.nasa.gov/mission_pages/kepler/multimedia/images/kepler-morningstar.html
作者 NASA Ames/JPL-Caltech

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Public domain 本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zhNASA版权方针页面JPL图片使用方针。)
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