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NASA's planet-hunting TESS mission has found its first Earth-size exoplanet in a star system only 53 light-years from Earth. Another exoplanet, a warm mini-Neptune, was found in the same system.

  • Posted

This picture of Neptune was produced from the last whole planet images taken through the green and orange filters on the Voyager 2 narrow angl…

  • Posted

This picture of Neptune was produced from the last whole planet images taken through the green and orange filters on the Voyager 2 narrow angl…