Are we alone in the universe? What do you think?
- Yes. Other than Earth, the Universe is probably completely devoid of life. The Universe is just way too hostile toward living organisms, and we are extremely privileged.
- Maybe microbial life exists elsewhere, but that's probably it. Way too many things have to be just right, and stay that way over long periods of time for intelligent life to evolve.
- There are probably intelligent beings elsewhere, but probably not too common, mostly microbial life.
- The Universe is probably teeming with intelligent life. There's just way too many stars and galaxies (and presumably planets) for us to be alone.
- I saw a UFO. The truth is out there. Roswell! Roswell!