Cosmic dust belts without dust: Astrophysicists discover six ultra-cold debris disks
Planets and asteroids, red giants and brown dwarfs - there are all kinds of objects in our Universe. Debris disks are among them. These are belts consisting of countless dust particles and 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.
Team finds asteroids were bombarded by iron loving elements too
Stars with dusty disks should harbor Earth-like worlds
Stars with disks of debris around them might be good targets to search for Earth-like planets, researchers say.
(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 ...