Scientists from NASA announced Tuesday that they discovered an Earth-size planet orbiting its star’s habitable zone.
Called TOI 700 e, the planet is part of the TOI 700 system and is 95% the Earth’s size and likely rocky, according to NASA, which used data from its Transiting Exoplanet Survey Satellite (TESS).
“This is one of only a few systems with multiple, small, habitable-zone planets that we know of,” Emily Gilbert, a postdoctoral fellow at NASA’s Jet Propulsion Laboratory in Southern California who led the work, said in a statement on NASA’s website.
NASA previously discovered three planets in the same system, called TOI 700 b, c and d. Planet d is also in the habitable zone of the star, NASA said.
“Planet e is about 10% smaller than planet d, so the system also shows how additional TESS observations help us find smaller and smaller worlds,” Gilbert said.
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SOURCE: ABC News, Teddy Grant