ALL meanings of accretion disk

ac·cre·tion disk
A a
  • noun accretion disk the rapidly spinning disk of gas that forms around the more compact component of a close binary star system as mass is transferred to the compact companion from the primary star. 1
  • noun accretion disk (astronomy) A structure formed by matter falling into a gravitational source such as a galaxy, black hole, or protostar. 0
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