Astronomers have discovered a ‘super-Earth,’ or a world larger than our planet, orbiting a star about 137 light-years away. A second planet, thought to be the size of Earth, may also be orbiting the same star.
The super-Earth exoplanet, known as TOI-715b, orbits a red dwarf star that is cooler and smaller than our sun. Astronomers spotted the planet using NASA’s TESS, or Transiting Exoplanet Survey Satellite, mission. A study detailing the discovery was published in January in the Monthly Notices of the Royal Astronomical Society.
Researchers have determined that the planet, estimated to be one and a half times as wide as our planet, takes just over 19 Earth days to complete one orbit around its star. The planet is close enough to its star to exist within the habitable zone, or the distance from a star that provides a planet with the right temperature for liquid water to exist on its surface. (CNN)
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