X-ray star
Astronomy
noun
Any compact celestial emitter of X-rays (not necessarily a star), such as an X-ray binary or an X-ray pulsar.
Origin
1960s; earliest use found in The Daily Telegraph.
| 单词 | X-ray star |
| 释义 | X-ray starAstronomy noun Any compact celestial emitter of X-rays (not necessarily a star), such as an X-ray binary or an X-ray pulsar. Origin |
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