#NASA will announce that TRAPPIST-1 has 7 Earth-sized planets - 6 within/close to star's habitable zone #astrobiology #extrasolar #astronomy pic.twitter.com/wypBTSfAWG
— NASA Watch (@NASAWatch) February 21, 2017
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| -Signs, Portents, and the Weather- |
| TRAPPIST-1 has 7 Earth-sized planets - 6 within/close to star's habitable zone |
| 2017-02-21 |
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| Posted by:3dc |
| #6 |
| Posted by: charger 2017-02-21 20:59 |
| #5 |
| Posted by: Rob Crawford 2017-02-21 18:48 |
| #4 |
| Posted by: DarthVader 2017-02-21 18:11 |
| #3 |
| Posted by: g(r)omgoru 2017-02-21 16:37 |
| #2 |
| Posted by: M. Murcek 2017-02-21 16:23 |
| #1 |
| Posted by: Skidmark 2017-02-21 16:07 |