Astronomers announced June 2 at the American Astronomical Society (AAS) meeting that they have discovered a new type of planet — a rocky world weighing 17 times as much as Earth. Theorists believed ...
Astronomers have discovered the heaviest planet yet that's predominantly rocky, a hefty body 17 times more massive than Earth. Called Kepler-10c, the planet orbits a star that is similar to the sun, ...
Astronomers have discovered a new type of planet -- a rocky world weighing 17 times as much as Earth. Theorists believed such a world couldn't form because anything so hefty would grab hydrogen gas as ...
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