abbr.新总表(NewGeneralCatalogue);喷管间隙控制(NozzleGapControl);国家地理频道(NationalGeographicChannel)
网络 国家地理频道(National Geographic Channel); 美国钱币保证公司(Numismatic Guaranty Corporation); 南高齿
If the center of NGC 4258 were a star cluster, the stars would be so closely spaced that collisions between individual stars would have long ago torn the cluster apart.
如果 NGC 4258 的中心是一个星团,恒星之间的距离会非常近,以至于在很久以前单个恒星之间的碰撞就会把星团撕裂。
Image: Composite image of galaxy NGC 3115.
图片名称:NGC3115星系的合成图像。
NGC 7380 was discovered by Caroline Herschel in 1787.
NGC 7380于1787年由卡罗琳·赫歇尔发现。
NGC 4731 itself is well over 100, 000 light-years across.
NGC 4731本身的直径超过10万光年。
NGC 3603 also contains some of the most massive stars known.
NGC3603也包括一些巨大的著名的星星。