It Weights seventeen times as Earth, it is twice as large as Earth.
"Kepler-10c" is what its called is thought be of solid, primarily composed of rock.
World like this were not thought possible to exit - NASA.
"Just when you think you've got it all figured out, nature gives you a huge surprise – in this case, literally," said Natalie Batalha, Kepler mission scientist at NASA's Ames Research Center in Moffett Field, California. "Isn't science marvelous?"
Kepler-10c is 560 light-years away from Earth and rotates 8.11 times faster as earth completing one revolution in just 45 days just 45 from this one can calculate that it is .247 times nearer to its Sun then earth, yes its too hot to sustain life, impossible. Think about gravitational force there, if its 17 times in weight and twice in size(radius) then gravitational force is 72.2 times more OMG enough to accrete a gas envelope during formation . The same system also host "Kepler-10b", the first rocky planet discovered in Kepler data.
It was known that it nearly twice(actually 2.3) but it mass wasn't, The team(NASA Kepler department) used the HARPS-North instrument on the Telescopio Nazionale Galileo in the Canary Islands to conduct follow-up observations to obtain a mass measurement of the rocky behemoth.
For more information on Kepler Mission visit "NASA Kepler"
Source - NASA
Picture - Wikipedia
Comparison - Exclusively Ours
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