Quote:It's a statistical certainty that other inteligent life exists out there
I'd like to take some time and back up that claim. Even by filling in very conservative estimates for the famous Drake equation (for the number of intelligent civilizations in the universe), the statistical certainty comes confirmed.
Let's take the estimate of the number of stars with planets as 0.5. And that 1/9 of those planets is in a habitable zone. Let us further assume that the probability of life occurring on any single planet that is already within its star's habitable zone is extremely, extremely remote: one in a trillion. By multiplication of this extremely small number by the previous factors of 0.5 and 1/9, we get the assumption that the probability of life around any one given star is 0.00000000000005. Our galaxy has about 300 billion stars, and let's assume there are 100 billion galaxies in the universe. This gives us a statistical probability of the existence of life around at least one other star in the universe=1-(0.99999999999995)^30,000,000,000,000,000,000,000,000. The answer to that subtraction is a number that is indistinguishable from 1.00 at any leve of decimal accuracy reported by the computer. The answer is, for all practical purposes, equal to 1.00 -- or 100 percent.
Even if we assume that there are only 10 billion stars in our own galaxy, and that there are only a billion galaxies, the statistical answer to the probability of extraterrestrial intelligent life comes out to to be a number indistinguishable from 1.00. The probability that life exists outside the Earth does not depend very strongly on the actual number of stars in the universe -- as long as that number is very large. There are so many places for life to develop. While we used the best scientific estimates, even lower values still lead to the same answer, a number close to 1.00. The probability is a virtual certainty. We are not alone.
Source: Dr. Amir Aczel, professor of statistics, author of
Probability 1, Why there must be intelligent life in the universe.
And while skeptics find it hard to believe that others have found us, before we had the necessary means to find them, dozens of governmental insiders and military whistleblowers think otherwise.