I have no doubt there are many, many trillions of planets orbiting star systems all over the universe..I also have no doubt a good percentage of those will harbor some type of life.
“I also have no doubt a good percentage of those will harbor some type of life.”
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I don’t know that a good percentage have life, but I imagine
there is life, other then on Earth, somewhere the universe.
I do not, however, believe that we are, or have been visited
by ET. He has to be just too far away.