K2-229b vs CoRoT-7b
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K2-229b
K2-229b is a confirmed rocky exoplanet discovered from transits in data from NASA's K2 mission and announced in 2018. It is slightly larger than Earth but has a high measured density, consistent with a composition containing an unusually large iron core and often compared with Mercury's interior. The planet circles a K-type star once in about 14 hours, so its surface environment is expected to be...
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CoRoT-7b
CoRoT-7b is an extrasolar planet discovered in 2009 by the French-led CoRoT space telescope, notable for being the first confirmed rocky exoplanet. It orbits a G-type main-sequence star in the constellation Monoceros at a very close distance. This proximity results in an extremely short orbital period of roughly 20 hours and exposes the planet to intense radiation. The surface temperatures are so...
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