they discovered 7 new earth like worlds (Page 2)
kittybobo34: Entirely possible. Intelligent life would be very rare, and highly intelligent even rarer.
kittybobo34: But consider even if we find life on another world, it may not be compatible with ours. If its based on right handed amino acids, vs our left handed ones. Neither could consume the other . So our crops wouldnt grow, nor would we get anything out of eating the local animals.
kittybobo34: I suppose that would be possible, we would have to start someplace and burn out the existing life so that our version could proliferate.