The TRAPPIST-1 system may have formed pebble-by-pebble
The end result? Seven icy, Earth-sized worlds. Chris Ornell, lead author of the paper recently accepted to the journal Astronomy and Astrophysics, said in a press release, “We have been working on pebble aggregation and sweep-up by planets for a long ...
Astronomers explain the formation of seven exoplanets around ...
TRAPPIST-1 planets have an Earth-like composition, research suggests
How Did Alien Solar System Form? Trappist-1 Planet Pieces Melted ...