这座暗黑之塔NGC 6231和与之相连的星云距我们大约 5000光年远。

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

youdao

这座暗黑之塔NGC 6231和与之相连的星云距我们大约 5000光年远。

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

youdao