NASA: There Are 7 Earth-Size Planets 40 Light Years Away, Some Could Have Water
sized exoplanets have been discovered orbiting a single star roughly 40 light-years (235 trillion miles) from Earth, three of the planets are within the “habitable zone” and likely have water, NASA officials announced Wednesday. “The discovery gives us a hint that finding a second Earth is not just a matter of ‘if,’ but ‘when,’” said Thomas Zurbuchen, associate administrator of the Science Mission Directorate at NASA in a conference Wednesday. Using the Spitzer Space Telescope, scientists were able to find these planets, first locating two ...
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