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词汇 X-ray nova
释义

Definition of X-ray nova in English:

X-ray nova

noun
Astronomy
  • A celestial object that is a very strong but transient emitter of X-rays, typically a binary system with either a neutron star or a black hole as the receptor (rather than a white dwarf as in an ordinary nova).

Origin

1960s; earliest use found in Science News.

Definition of X-ray nova in US English:

X-ray nova

noun
Astronomy
  • A celestial object that is a very strong but transient emitter of X-rays, typically a binary system with either a neutron star or a black hole as the receptor (rather than a white dwarf as in an ordinary nova).

Origin

1960s; earliest use found in Science News.

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