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单词 X-ray binary
释义

X-ray binary

Astronomy
noun
A celestial emitter of X-rays that has two components, with matter passing from one component (the donor) to the other (the accretor) giving rise to the emission of X-rays from the latter.
  • The accretor is typically a black hole, a neutron star, or a white dwarf, and the donor an ordinary (non-degenerate) star..

Origin

1970s; earliest use found in New Scientist.

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更新时间:2025/1/24 2:48:01