Super-Earth

Illustration of the inferred size of the super-Earth COROT-7b (center) in comparison with Earth and Neptune

A super-Earth is an extrasolar planet.

It has a mass higher than Earth's, but much less than the Solar System's ice giants, Uranus and Neptune, which are 15 and 17 times Earth's mass, respectively.^[1]

The term "super-Earth" refers only to the mass of the planet, and does not imply anything about the surface conditions or habitability.

Super-Earth Media

Artist's impression of the super-Earth exoplanet LHS 1140b.
Illustration of the inferred size of the super-Earth Kepler-10b (right) in comparison with Earth
Sizes of Kepler Planet Candidates – based on 2,740 candidates orbiting 2,036 stars as of November 4, 2013 (NASA)
Mass and radius values for transiting super-Earths in context of other detected exoplanets and selected composition models. The "Fe" line defines planets made purely of iron, and "H2O" for those made of water.
Artist's impression of 55 Cancri e in front of its parent star.
Comparison of sizes of planets with different compositions

References

↑ Valencia, V.; Sasselov, D. D.; O'Connell, R. J. (2007). "Radius and structure models of the first super-earth planet". The Astrophysical Journal. 656 (1): 545–551. arXiv:astro-ph/0610122. Bibcode:2007ApJ...656..545V. doi:10.1086/509800. S2CID 17656317.

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[Valencia-1] Valencia, V.; Sasselov, D. D.; O'Connell, R. J. (2007). "Radius and structure models of the first super-earth planet". The Astrophysical Journal. 656 (1): 545–551. arXiv:astro-ph/0610122. Bibcode:2007ApJ...656..545V. doi:10.1086/509800. S2CID 17656317.

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