Is There Life In The Universe. If the person on next to me on a long airplane flight ever finds out that i am an astrophysicist, nine times out of ten they ask, with wide eyes, about life in the universe. Observation selection effects need to be handled!
The ultimate goal of nasa's exoplanet program is to find unmistakable signs of current life on a planet beyond earth. It must have begun at some point in time, somewhere. This hypothesis relies on the vast size and consistent physical laws of the observable universe.according to this argument, made by scientists such as carl sagan and stephen hawking, as well as notable personalities such as winston churchill, it would be.
Justice League Crisis on Two Earths (Western Animation
Even if life is very rare, the observers will all see they are on planets with life. Life commonly arises on planets like earth, and becomes intelligent frequently. The birth and death of civilizations across the stars; But despite actively scanning the skies for signs of intelligence for more than thirty years, the silence continues and we remain alone.
