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NGST 10b: Discovery of a Doomed Planet
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NGST 10b: Discovery of a Doomed Planet
Credit & Copyright: ESA, C. Carreau; Text: Alex R. Howe (NASA/USRA, Science Meets Fiction Blog)
Explanation: This hot jupiter is doomed. Hot jupiters are giant planets like Jupiter that orbit much closer to their parent stars than Mercury does to our Sun. But some hot jupiters are more extreme than others. NGTS-10b, illustrated generically, is the closest and fastest-orbiting giant planet yet discovered, circling its home star in only 18 hours. NGTS-10b is a little larger than Jupiter, but it orbits less than two times the diameter of its parent star away from the starÁs surface. When a planet orbits this close, it is expected to spiral inward, pulled down by tidal forces to be eventually ripped apart by the starÁs gravity. NGTS-10b, discovered by researchers at the University of Warwick, is named after the ESOÁs Next Generation Transit Survey, which detected the imperiled planet when it passed in front of its star, blocking some of the light. Although the violent demise of NGTS-10b will happen eventually, we don't yet know when.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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NASA Official: Jay Norris. Specific rights apply.
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& Michigan Tech. U.

Based on Astronomy Picture Of the Day

Publications with keywords: extrasolar planet
Publications with words: extrasolar planet
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