The statistical Drake equation

SETI is a comparatively new branch of scientific research that began only in 1959. The goal of SETI is to ascertain whether alien civilizations exist in the universe, how far from us they exist, and possibly how much more advanced than us they may be.SETI is a comparatively new branch of scientific research that began only in 1959. The goal of SETI is to ascertain whether alien civilizations exist in the universe, how far from us they exist, and possibly how much more advanced than us they may be.