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- Lastly, since RR Lyrae stars all have the same intrinsic brightness, identifying them and measuring how dim they appear tells how far they are, since faintness means farness. 最后，自从天琴RR型星都具有同样固有亮度，识别和测量它们的明暗程度就可以告诉我们它们距离我们有多远，越暗意味着距离我们越远。
- Application of the Baade-Wesselink Method to Absolute Magnitude Determination of RR Lyrae Stars Baade-Wesselink方法在确定天琴RR型变星绝对星等中的应用
- RR Lyrae stars 天琴RR型星
- double-mode RR Lyrae star 双模天琴 RR 型星
- RR Lyrae variable stars 天琴座rr型变星
- The sky is bespangled with stars. 天空中点缀着亮晶晶的星星。
- The brightest star in the constellation Lyra. 织女星:天琴座中的最亮的那颗星。
- For a while, the darkling star disappeared behind thick clouds. 隐约出现的星星暂时消失在厚厚的云层後面了。
- These stars appear to move around the North Star. 这些星星似乎环绕着北极星转。
- The stars came out as soon as darkness fell. 天一黑，星星就出来了。
- RR Lyrae variables 天琴R型星
- He has an urge to become a cinema star. 他渴望当一名电影明星。
- She is crazed about the film star. 她对那位影星着迷。
- All but the morning star have disappeared. 除掉金星以外其他的星星全都消失了。
- A galaxy of film stars attended the premiere. 一群影星参加了首次公演。
- You can see stars in clusters in the night sky. 你可以看到夜空中的星群。
- Stars are brilliant in the clear night sky. 星星在晴朗的夜空闪亮。
- The children mobbed the baseball star. 孩子们欢呼着朝那棒球明星围上去。
- The stars came out as soon as it was dark. 天一黑，星星就出来了。
- The stars in the night sky are innumerous. 夜空中的星星数不清。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
