From Simple English Wikipedia, the free encyclopedia
Artist's impression of a transitional disc around a
young star
.
[1]
A
circumstellar disc
(or
circumstellar disk
) is a
torus
pancake or ring-shaped accumulation of
matter
that composed of
gas
,
dust
,
planetesimals
,
asteroids
or collision fragments in
Orbit
around a
star
.
