彗星的英文

[天文学] comet
◇彗星群 comet group; 彗星天文(学) cometary astronomy; 彗星物理(学) cometary physics; 彗星云 comet cloud; 彗星照相仪 cometograph; 彗星族 family of comets

• 大彗星:    great comet
• 端彗星:    encke's comet
• 高彗星:    98p/takamizawa

例句与用法

更多例句：  下一页

1. Planetologists believe comets are the oldest relics in the solar system .
   行星学家们认为，彗星是太阳系中最古老的残余物。
2. Perhaps at an early stage the solar system consisted of comet-sized objects .
   也许，早期阶段的太阳系是由彗星那么大小的天体所构成的。
3. Most stars probably have their quota of planets, meteorids, comets, and asteroids .
   多数恒星也许还拥有若干行星、流星、彗星和小行星。
4. The night sky is occasionally host to the transient visitors known as comets and meteors .
   夜空有时还接待如彗星和流星那样的过路来访者。
5. It was a comet, and maria had been the first person to see it and report on it .
   它就是彗星，玛利是世界上第一个看到并报导了这颗星的人。

百科释义

彗星是冰封的太阳系小天体 (SSSB)，当它与太阳足够接近时，便会展示出彗发 (稀薄、?糊的临时性大气层)，有时也会有彗尾。这些现象是由太阳辐射和太阳风共同对彗核作用造成的。