GJ 1214 b

Exoplanet

A 'mini-Neptune' thought to be a water world, with a thick steamy atmosphere shrouding its surface.

Facts

TypeExoplanet
OrbitsGliese 1214
Distance from Earth48 ly
Diameter33,512 km
Mass5.02 × 10^25 kg
Temperature280°C
Orbital period2 days
Apparent magnitude14.71
HemisphereBoth
Discovered2009
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