Circumstellar disc

torus, pancake or ring-shaped accumulation of matter in orbit around a star From Wikipedia, the free encyclopedia

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.

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Artist's impression of a transitional disc around a young star.[1]

References

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