Back Sirkumstellêre skyf Afrikaans قرص نجمي دوار Arabic Discu circunestelar AST Disc circumestel·lar Catalan Περιαστρικός δίσκος Greek Circumstellar disc English Ĉirkaŭstela disko Esperanto Disco circunestelar Spanish Disko zirkumestelar Basque قرص پیراستارهای Persian
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.
- ↑ "ALMA Reveals Planetary Construction Sites". Retrieved 21 December 2015.