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extrinsic variable star
释义
extrinsic variable star
extrinsic variable star
[
ek¦strinz·ik ‚ver·ē·ə·bəl ′stär
]
(astronomy)
A variable star, such as an eclipsing variable, whose variation in apparent brightness is due to some external cause, rather than to actual variaiton in the amount of radiation emitted.
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更新时间:2026/6/19 14:01:56