单词variable star
un.: 变星
网络: 多变的星
变星
The Sun is not considered a variable star, but it does undergo periodic changes in activity known as the sunspot cycle.
太阳是不被认为是变星，但它的变化进行定期的活动被称为太阳黑子周期。
For 100 years astronomers have paid particular attention to a class of variable star known as the Cepheids.
过去100年来，天文学家特别注意一类称作“仙王座变光星”的恒星。
A type of variable star whose period of variation is tightly related to its intrinsic luminosity.
变星的一种，它的固有光度和它的光变周期有着紧密的联系。
Young variable star RY Tauri is emerging from a yellowish cocoon of dust near top center.
杨变星酵母金牛座正在摆脱黄色蚕茧的尘埃中心附近的顶端。
are a type of cataclysmic variable star system.
中度的极化双星系统是激变星中的一种类型。
This nova, carrying the variable star designation T Scorpii reached an absolute magnitude of -8. 5, briefly outshining the entire cluster.
这颗新星被给予天蝎座T的变星名称，绝对星等高达-8.5等，曾经短暂的照亮了整个星团。
naked - eye variable star
肉眼变星
American Association of Variable Star Observers,
美国变星观测者协会，