Scientists Discover a Planet With the Most Earth-like Conditions Yet
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An artist's conception of planet LHS 1140b with its red parent star in the background. —Melissa Weiss—CfAThe search for exoplanets—or worlds orbiting other stars—is astronomy’s great Easter egg hunt. It was in 1992 that professional stargazers discovered the first known exoplanet, a distant body orbiting a pulsar 2,300 light years from Earth. Since then, astronomers using both space-based and Earth-based telescopes have found more than 6,200 exoplanets scattered across the skies, leading them to
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