posted on Mar, 19 2003 @ 10:32 PM
Have you ever thought about the fact that "WE" might be the life on other planets. Just because we grew here doesn't mean that the original
organisms formed here. Genetic alterations from outside species is not impossible, either... but very improbable.
A conservative estimate for the number of stars in the universe is:
10,000,000,000,000,000,000,000
After rough estimates of planets, inhabitable solar systems, class M configuration, and random chance... we get about 1,000,000 civilizations
(intelligent cultures). Remember, that's a conservative estimate of probability.