Emily Pierce Retweeted NASA
How soon can I leave?https://twitter.com/NASA/status/960584862645317632 …
Emily Pierce added,
3:38
NASAVerified account @NASA
40 light-years away, lie the 7 Earth-sized planets of the TRAPPIST-1 system. We now know that:
The planets are mostly made of rock
Some have 250x’s more water than Earth
3 of the planets favor compact atmospheres similar to Earth, Venus & Mars.
http://go.nasa.gov/2FNNfSw pic.twitter.com/iTRAtaNMDv
The planets are mostly made of rock
Some have 250x’s more water than Earth
3 of the planets favor compact atmospheres similar to Earth, Venus & Mars.
http://go.nasa.gov/2FNNfSw pic.twitter.com/iTRAtaNMDv
10:46 AM - 5 Feb 2018
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