行星系 meaning in English
plane system
planetary system
Examples
- Travel to the planetary systems of other stars is a much more formidable undertaking .
要航行到其他恒星的行星系中去是件极难实现的事。 - Finding planets orbiting barnards star would increase our confidence that planetary systems are common .
对环绕巴纳德里旋转的行星的发现将会增强我们认为行星系是普遍存在的信念。 - If one-third of the stars are single stars with planets, then planetary systems are born, on the average, every three years .
如果这些恒星中有三分之一是拥有行星的单星，那么平均每三年就会诞生一个行星系。 - Proto - planetary system
原行星系 - Astronomers today announced the discovery of another planet orbiting a distant star , making it the most crowded planetary system outside our own
宇航员们今天宣布了又发现了一颗遥远恒星的行星，使之成为我们太阳系以外最密集的行星系。