File:Kepler-90 MultiExoplanet System - 20171214.jpg
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English: December 14, 2017
Kepler-90 Planets Orbit Close to Their Star https://www.nasa.gov/image-feature/ames/kepler-90-planets-orbit-close-to-their-star Kepler-90 system planet orbits, compared to planetary orbits in our solar system Kepler-90 is a Sun-like star, but all of its eight planets are scrunched into the equivalent distance of Earth to the Sun. The inner planets have extremely tight orbits with a “year” on Kepler-90i lasting only 14.4 days. In comparison, Mercury’s orbit is 88 days. Consequently, Kepler-90i has an average surface temperature of 800 degrees Fahrenheit, and is not a likely place for life as we know it. The structure of the Kepler-90’s system hints that the eight planets around Kepler-90 may have formed more spread out, like the planets in our own solar system, and then somehow migrated to the orbits we see them in today. |
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| Source | https://www.nasa.gov/sites/default/files/thumbnails/image/fig6-comparison-split-kepler-90_inner-ss.jpg |
| Author | NASA/Ames Research Center/Wendy Stenzel |
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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 | |
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| current | 20:42, 14 December 2017 | | 1,041 × 586 (54 KB) | Drbogdan | User created page with UploadWizard |
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