(·) Other reason —
Infestations of planets by humans tend to be so short they are unlikely to be perceived by anybody in time to be able to get there while they last.
In reply to Re: Extraterrestrials haven't visited the Earth yet because:
by martin
in thread Extraterrestrials haven't visited the Earth yet because:
by Arunbear
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |