polar-ring galaxy
基本解释
- [天文學]極環星系
英汉例句
- Over 20 million light-years away, its peculiar appearance marks it as a polar ring galaxy.
它距我們超過 2 千萬光年之遠,其獨特的外形給它帶來了極環星系的名字。 - Explanation: NGC 2685 is a confirmed polar ring galaxy - a rare type of galaxy with stars, gas and dust orbiting in rings perpendicular to the plane of a flat galactic disk.
NGC 2685是被確認的極環星系-一種罕有的由恒星、氣團和星塵圍繞垂直於星河磐狀平麪的環運動的星系。
cutebeardreamon.spaces.live.com
雙語例句
专业释义
- 極環星系