190 light-years out from Earth, exoplanet HD 80606b loops very close to its parent star every 111 days; its temperature soaring - then dipping -1500°F(816° C) in less than one of its 90-hour days.
190 light-years out from Earth, exoplanet HD 80606b loops very close to its parent star every 111 days; its temperature soaring - then dipping -1500°F(816° C) in less than one of its 90-hour days.
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