polar-ring galaxy
常见例句
- Over 20 million light-years away, its peculiar appearance marks it as a polar ring galaxy.
它距我们超过 2 千万光年之远，其独特的外形给它带来了极环星系的名字。 - 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是被确认的极环星系-一种罕有的由恒星、气团和星尘围绕垂直于星河盘状平面的环运动的星系。
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