(October 3, 2013 at 5:19 pm)SavedByGraceThruFaith Wrote:(October 3, 2013 at 5:02 pm)Mister Agenda Wrote: And we've sent probes out farther than Pluto! If, out of the hundreds of billions of star systems in each of the hundreds of billions of galaxies in our universe, we can't find exolife by the time we get to the edge of our own little solar system with probes that couldn't detect life unless they bounced off of it, we get to say 'no sign of any life, outside of Earth, anywhere in the universe so far' as if we've nearly exhausted all of the possibilities already instead of only barely starting to make the first eyeblink of an exploration into the possibility of life on other planets. There's literally no way to know the odds of life on a given earth-like planet with only one to extrapolate from. We know it's possible. That's all we know for sure about it. Is it so unlikely that it probably only happened once in the whole universe? Conceivably, but for all we know, it could also happen on every world with liquid water.
But why would we not be getting radio waves?
Most civilizations would be emitting them for at least 100 years.
Most civilizations would be emitting radio waves for at least 100 years? Where are you getting this? And why do you assume that life in other parts of the universe would necessarily develop technical civilizations? The universe could be teeming with life that would not know how to build a transmitter. We just don't know.
In any case, 100 years isn't a long time for radio waves to travel in the vastness of space.
