What is Circumstellar disc?
[[File:Artist's_impression_of_a_transitional_disc_around_a_young_star.jpg|link=https://en.wikipedia.org/wiki/File:Artist's_impression_of_a_transitional_disc_around_a_young_star.jpg|thumb|Artist's impression of a transitional disc around a [[young star]].<ref>{{cite web|title=ALMA Reveals Planetary Construction Sites|url=http://www.eso.org/public/news/eso1549/|access-date=21 December 2015}}</ref>]] A '''circumstellar disc''' (or '''circumstellar disk''') is a [[torus]] pancake or ring-shaped accumulation of [[matter]] that composed of [[gas]], [[Cosmic dust|dust]], [[planetesimal]]s, [[asteroid]]s or collision fragments in [[Orbit]] around a [[star]]. == Related pages == * [[Accretion disk]] * [[Extrasolar planet]] ==References== {{Commons category|Circumstellar disks}} {{Wiktionary|accumulation|collision|fragment}} {{reflist}} {{sci-stub}} [[Category:Nebulae]]