Pronunciation: /əˈkriːʃən dɪsks/
noun Astronomical term referring to a rotating disk of matter formed around a celestial object, such as a star or black hole, through gravitational attraction
A1 Scientists study accretion disks to learn more about how stars form.
A2 Accretion disks are often found around black holes, where matter spirals inwards.
B1 The formation of planets within accretion disks is a fascinating area of research.
B2 Accretion disks can emit powerful X-ray radiation as matter falls into them.
C1 Advanced telescopes have allowed astronomers to observe accretion disks in great detail.
C2 The dynamics of accretion disks play a crucial role in understanding the evolution of galaxies.
formal The formation of stars often involves the accretion disks of gas and dust surrounding a protostar.
informal Scientists study accretion disks to understand how stars are born.
slang Check out these cool pics of accretion disks around black holes!
figurative Her mind was like a swirling accretion disk, absorbing new information constantly.
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