Super-Earth
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A super-Earth is a type of exoplanet with a mass higher than Earth's, but substantially below those of the Solar System's ice giants, Uranus and Neptune, which are 14.5 and 17.1 times Earth's mass res
Artist's impression of the super-Earth exoplanet LHS 1140b
Sizes of Kepler Planet Candidates – based on 2,740 candidates orbiting 2,036 stars as of November 4, 2013 (NASA)
Artist's impression of 55 Cancri Ae in front of its parent star
PDS 70
GJ 1214 b
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GJ 1214 b is an exoplanet that orbits the star GJ 1214, discovered in December 2009. Its parent star is 48 light-years from the Sun, in the constellation Ophiuchus. At the time of its discovery, GJ 12
Artist's impression of the planet with a hazy steam atmosphere
Artist's impression of GJ 1214 b (foreground), illuminated by the red light of its parent star (center)
This artist's impression shows how GJ 1214 b may look as it transits its parent star. It is the second super-Earth for which astronomers have determined the mass and radius, giving vital clues about its structure.