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NASA steps up its planet-hunting game with the launch of TESS

Apr 20, 2018 7:00:00 PM - seattletimes.com
The spacecraft will scan almost all of the sky for neighboring stars, searching for the dips in their brightness that signal the presence of a planet. The goal: to find planets that are smaller than Neptune, with a radius less than about four times that of Earth.

USA, Washington: (Latest Stories)