News tagged with planetesimals

Exocomets may be as common as exoplanets

(Phys.org)—Comets trailing wispy tails across the night sky are a beautiful byproduct of our solar system's formation, icy leftovers from 4.6 billion years ago when the planets coalesced from rocky rubble.

Jan 07, 2013
5 / 5 (5) 5 | with audio podcast

Binary planetesimals

(PhysOrg.com) -- In fewer than ten million years, the material in the disk around a young star will either be accreted on to its star, dispersed into the interstellar medium, or converted into planets or smaller ...

Jan 28, 2011
5 / 5 (3) 2 | with audio podcast