NASA has discovered an Earth-sized planet that’s orbiting around a star — and could possibly be habitable.
The planet is the fourth planet discovered in the TOI 700 system.TESS monitors large portions of the sky, also known as sectors, for about 27 days at a time, allowing it to track any alterations in brightness caused by a planet crossing over its star.TESS, designed to detect far-flung planets and stars, has four cameras that allow it to see 85% of the sky while searching for exoplanets orbiting stars less than 300 light-years away.
“TESS just completed its second year of northern sky observations,” said Allison Youngblood, a research astrophysicist and the TESS deputy project scientist at Goddard. “We’re looking forward to the other exciting discoveries hidden in the mission’s treasure trove of data.” “If the star was a little closer or the planet a little bigger, we might have been able to spot TOI 700in Greenbelt, Maryland. “But the signal was so faint that we needed the additional year of transit observations to identify it.”
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