It only has to appeal to ONE (1) civilization in the last X billions of years. The millions of other slacker civilizations will just be also rans.
BTW, the more populated people seem to feel the galaxy is, the more likely it is we would be seeing signs of that one advanced and spreading civilization.
Where are they ?
Unless it's us . . . .
BTW, the more populated people seem to feel the galaxy is, the more likely it is we would be seeing signs of that one advanced and spreading civilization.
Where are they ?
Unless it's us . . . .
The granting of a pardon is an imputation of guilt, and the acceptance a confession of it.