| 释义 |
- 1
The fuzzy blue dot to the left, which appears to fit snugly between the arms, is a companion galaxy. 在左侧有模糊的蓝点，正好处于旋臂之间，它是一个伴星系。 - 2
The Small Magellanic Cloud, and its companion galaxy the Large Magellanic Cloud, are the two galaxies where this type of study is possible. 小麦哲伦星云和其伴生的大麦哲伦星云，是在可能进行这种研究的两个星系。 - 3
Also cataloged as NGC 5194, M51 is a part of a well-known interacting galaxy pair, its spiral arms and dust lanes clearly sweeping in front of companion galaxy NGC 5195 (top). 也被编号成ngc 5194, M 51是一对著名的相互作用星系的一部分，其旋臂和尘带明显从伴星系ngc 5195(上方)的前面扫过。
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