| 单词 | accretion disc |
| 释义 | > as lemmasaccretion disc accretion disc n. Astronomy a rotating disc of gas and dust formed by accretion around a massive body (such as a black hole or neutron star), under the influence of gravity. ΘΚΠ the world > the universe > star > [noun] > disc around accretion disc1972 1972 Astron. & Astrophysics 21 1 It is emphasized that accretion discs can display a wide range of properties (depending on the accretion rate, viscosity, etc.). 1990 W. R. Peltier in C. Mungall & D. J. McLaren Planet under Stress (1991) 80 The ‘accretion disc’ of gas and dust that was probably created from this explosion was later the context for the Earth-formative events that began over 4.5 billion years later. 2003 J. Scalzi Rough Guide to Universe xiv. 200 As the gas and dust accumulates, it rotates around the black hole forming an accretion disc. < as lemmas |
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