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NASA finds Earth-sized world in Goldilocks zone

NASA finds Earth-sized world in Goldilocks zone

NASA planet hunter satellite TESS had discovered an Earth-sized world within the habitable range of its star, which could allow the presence of liquid water. The planet, named “TOI 700 d”, is relatively close to Earth- only 100 light years away, NASA’s Jet Propulsion Laboratory.

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A few other similar planets have been discovered before, notably by the former Kepler Space Telescope, but this is the first discovered by TESS, which was launched in 2018. TESS stabilizes on one area of the sky to detect whether objects- planets- pass in front of stars, which causes a temporary drop in the stars’ luminosity. This allows TESS to infer the presence of a planet, its size and orbit.

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