pulse star
脉冲明星
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Miss Leavitt found that the rate depends on the star's total light output (luminous Cepheids pulse more slowly than feeble ones) a discovery that allows them to be used for cosmic surveying.
ECONOMIST: Twirls and swirls from outer space
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