Concept information
Término preferido
circumstellar disk
Definición
- A circumstellar disc (or circumstellar disk) is a torus, pancake or ring-shaped accretion disk of matter composed of gas, dust, planetesimals, asteroids, or collision fragments in orbit around a star. Around the youngest stars, they are the reservoirs of material out of which planets may form. Around mature stars, they indicate that planetesimal formation has taken place, and around white dwarfs, they indicate that planetary material survived the whole of stellar evolution. Such a disc can manifest itself in various ways. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Circumstellar_disc)
Concepto genérico
Conceptos específicos
etiqueta alternativa (skos)
- circumstellar disc
En otras lenguas
-
francés
URI
http://data.loterre.fr/ark:/67375/MDL-NPXRZRRK-8
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