用NGC 62造句子，“NGC 62”造句

At the heart of galaxy NGC 6240 astronomers found not one but two black holes, roughly 3, 000 light-years apart and closing on an apparent merger course.

This dark tower, NGC 6231, and associated nebulae are about 5, 000 light-years away.

這座暗黑之塔NGC 6231和與之相連的星雲距我們大約 5000光年遠。