Science
The TRAPPIST-1 solar system not bombarded by space rocks like early Earth, study suggests – Space.com
A big space rock would have thrown planets of the Trappist-1 system out of sync.
TRAPPIST-1 would be an unremarkable star if not for the scientific interest generated by its seven planets.
Astronomers first spotted the new worlds, at least three of which might be habitable, in 2016. Now, a new study suggests that the way the TRAPPIST-1
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