SEATTLE – NASA has discovered the smallest planet ever seen beyond our solar system – a rocky world just 1.4 times larger than Earth – using its planet-hunting Kepler observatory. The planet, called ...
The number of confirmed exoplanets, or worlds orbiting distant suns, shot past 1,000 last week, according to the semi-official Extrasolar Planets Encyclopedia. That’s pretty heady stuff considering ...
NASA is marking two milestones in the search for planets like Earth: the successful completion of the Kepler Space Telescope’s 3.5-year prime mission and the beginning of an extended mission that ...
NASA astronomers recently discovered a new class of rocky planet measuring 2.3 times the size of Earth and 17 times its diameter. Dubbed “mega-Earth,” this type of planet challenges all previous ...
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