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Nearly Every Star Hosts at Least One Planet

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The vast majority of stars in our Milky Way galaxy host planets, many of which may be capable of supporting life as we know it, a new study suggests.

Astronomers have detected eight new exoplanet candidates circling nearby red dwarf stars, which make up at least 75 percent of the galaxy’s 100 billion or so stars. Three of these worlds are just slightly bigger than Earth and orbit in the “habitable zone,” the range of distances from a parent star where liquid water could exist on a planet’s surface.

The new finds imply that virtually all red dwarfs throughout the Milky Way have planets, and at least 25 percent of these stars in the sun’s own neighborhood host habitable-zone “super-Earths,” researchers said Read more…

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