Wednesday 30 October 2013

Kepler 78b exoplanet is Earth-like in mass and size

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In August, MIT researchers identified an exoplanet with an extremely brief orbital period: The team found that Kepler 78b, a small, intensely hot planet 700 light-years from Earth, circles its star in just 8.5 hours—lightning-quick, compared with our own planet's leisurely 365-day orbit. From starlight data gathered by the Kepler Space Telescope, the scientists also determined that the exoplanet is about 1.2 times Earth's size—making Kepler 78b one of the smallest exoplanets ever measured.



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