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The art of exoplanets... +
The moon hanging in the night sky sent Robert Hurt's mind into deep spaceto a region some 40 light years away, in fact, where seven Earth-sized planets crowded close to a dim, red sun....
The planet, which orbits a star that's twice as big as our sun, is 2.8 times more massive than Jupiter but only half as dense, because the star's extreme radiation makes it puff up like a balloon.... +
Credit: Robert Hurt, NASA/JPL-CaltechAn extremely little telescope has found an extremely large and hot extrasolar planet. And the extremes dont stop there. The planet, located about 650 light years from Earth, is so close to its hot and massive st...