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 Post subject: TRAPPIST-1 System
PostPosted: February 22nd, 2017, 1:33 pm 
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Joined: October 12th, 2009, 3:28 pm
Posts: 3693
Location: Baton Rouge, LA
At least tens of thousands (probably more) viewers are watching the live news conference right now during which scientists announced the discovery of seven Earth-sized planets around the same star.

TRAPPIST-1 is an ultra-cool red dwarf a little bit bigger than Jupiter, forty light-years away in the constellation Aquarius. This star has such a low surface temperature than even planets very close to it retain liquid water. All seven of the planets orbit TRAPPIST-1 closer than Mercury orbits the Sun.

Making the announcement are...
Sean Carey, Spitzer Science Center Manager
Michael Gillon, University of Liege astronomer
Nikole Lewis, Space Telescope Science Institute astronomer
Sara Seager, MIT physics professor
Thomas Zurbuchen, NASA Science Mission Directorate Associate Administrator

More information:
https://www.nasa.gov/press-release/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around


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