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Originally posted by JohnPhoenix
What really bothers me is they are looking for earth like planets.
That is no guarantee of life. This planet was around for millions, perhaps billions of years before life as we see it came around.. and one day when we are all gone and the earth is destroyed, it will have been a very small time window indeed when there was actually life here.
Why is Man so cocky that intelligent life must evolve under earth like conditions? We know on our own planet there are animals that live in such harsh environments that humans could not possibly survive.
It is totally possible and probable that intelligent life could evolve on planets that are very un-earth like.
[edit on 19-6-2010 by JohnPhoenix]