polar-ring galaxy
常见例句
- 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。
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