NASA Announces Major Exoplanet Discovery - NBCNews.com
URL: http://www.nbcnews.com/mach/space/watch-live-nasa-announces-major-exoplanet-discovery-n724111
Submitted: Thu Feb 23 2017
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Astronomers from NASA and the European Southern Observatory announced Wednesday that four new Earth-sized exoplanets have been discovered orbiting a star about 40 light-years away, and that three may contain liquid water and be able to sustain life.