Gliese 436 b photograph

Gliese 436 B

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Distance to Earth33. 01 light years
Radius27,567 km
Orbital period63 hours
Gravity11. 57 m/s²
DiscoveredAugust 31, 2004
Temperature712±36
Date of Reg.
Date of Upd.
ID3000303
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About Gliese 436 B


Gliese 436 b is a Neptune-sized exoplanet orbiting the red dwarf Gliese 436. It was the first hot Neptune discovered with certainty and was among the smallest-known transiting planets in mass and radius, until the much smaller Kepler exoplanet discoveries began circa 2010.

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