3 ms·
If aliens exist we should be able to notice consequences of their existence - either accidental or intended. Even if we miss the window of contact, galaxy shou
by guard-of-terra 14y ago
If aliens exist we should be able to notice consequences of their existence - either accidental or intended.
Even if we miss the window of contact, galaxy should be teeming with shadows of alien civilizations if only we know where to look.