✔ 最佳答案
其它星球有沒有人或外星人居住的?
With the very limited knownledge of the Space specialists today, there is no trace of species in out space.
However, we just know very vvvvvvvvvvvvvvvvvv little about space until now, if we live in the global with good conditions, why not the others? the problem is we did not find it yet. I guess.........