Exoplanetary Scratchpad

[SysBP Img]

An old sun-like star with two rocky Hot Super-Earths, b and a slightly larger outer c that needed to be confirmed with help of Spitzer. B is an airless Super-Earth covered in an ocean of magma with a high density, likely metallic. Its high density means its almost entirely composed of Silicate and metals. Has smallest measured diameter of any exoplanet (40% more than Earth, 4.5 Earth's mass, and nicknamed Vulcan by scientists) and is the first rocky exoplanet found by Kepler. Its daytime temperature is 1,500C, well over the melting point of Silicate and nearly that of Iron. The planet is glowing hot and lava pieces fly away from it like a cometary tail. Planet is similar to Corot-7b, but is around a more quiet star, making measurements more reliable, and thus this planet is the first certainly rocky planet discovered. Has circular orbit, so not likely a super-Io like that planet, instead considered a super-Mercury.

Kepler-10 System Web Pages

Kepler-10 System In the News

Kepler's first Rocky exoplanet Found (Jan 11)

Mentioned With Other Kepler Discoveries (Feb 11)

Outer Planet C Confirmed (May 11)

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