2007-01-20 12:33:52 · 4 answers · asked by jarland@sbcglobal.net 1 in Science & Mathematics ➔ Astronomy & Space
So far we've seen no verifiable evidence of other sentient species. That said, I believe with some certainty that somewhere in our galaxy at some past, present, or future time, a sentient species did/does/will exist.
Why haven't we heard from them?
Perhaps they are not technologically advanced enough to be heard. They may be mastering stone knives right now, or experiencing their own Rennaisance.
Perhaps they are here right now. Any species sufficiently advanced to travel interstellar distances would be able to hide or masquerade with ease. That Boeing 737 that just flew by may be a surveillance craft.
Perhaps they are so far away they will never notice us and vice versa.
Perhaps they existed a million years ago and died out.
Perhaps they will exist a million years from now.
It is really impossible to know for sure.
The Drake Equation suggests that there is sentient life out there. The Fermi Paradox casts doubt. Play around with the calculation form at the second link and see what you think.
2007-01-20 13:02:50 · answer #1 · answered by Otis F 7 · 3⤊ 1⤋
Yes, but no one will believe you even if one is sitting on your doorstep. They know we don't even tolerate our own people, why would we tolerate them when they are so different. A person would be dumb to think we were the only life in the universe. Just like most people believed the terrorists would never attack america until it happened to them. I bet most people wouldn't care anyway they are too busy making money.
2007-01-20 20:44:58 · answer #2 · answered by Anonymous · 2⤊ 0⤋
Naw, not possible. Too far to travel. Now, aliens from our own universe? Hmmmm... :-)))
2007-01-20 20:39:32 · answer #3 · answered by Ellie S 4 · 0⤊ 0⤋
yes i know they are
2007-01-21 06:09:05 · answer #4 · answered by Anonymous · 0⤊ 0⤋