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NASA exoplanet hunter spotted three new worlds in nearby solar system



They were discovered using NASA's Transit Planet Exercise Satellite which launched in April 2018 to hunt inhabited worlds in the near universe.

Discovery: MIT researchers discovered three new planets 73 light-years away in a system called TOI 270 (for TESS Object of Interest) using satellite data. They were discovered thanks to periodic drops of starlight caused by each orbital world. The three planets are in the southern constellation Pictor and have very fast orbits around TOI 270, a dwarf star.

They are one of the smallest and closest exoplanets ever discovered, but it is unlikely that any of them is habitable, despite their relatively warm temperatures: their atmosphere is probably too dense and dense. These include a small rocky planet slightly larger than Earth, and two gaseous planets about twice the size of Earth. Their discovery is described in an article in Nature Astronomy .

Check these results: TESS has already discovered 21 new planets and another 850 potential worlds awaiting confirmation, all located within a few dozen light- years of our own solar system, George Ricker of MIT told New York Times . It "far exceeded our most optimistic hopes," he said.

Consequences: These planets could help us understand the "missing link" between how small, rocky plants like Earth and huge ice worlds like Neptune were Created, according to Maximilian Gunter, PhD at the Institute of Astrophysics and Space MIT research, lead author of the article.

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