why say the possibility of alien civilization  being out there as being close to zero? What makes you so special here on earth. That's  is the equivalent like saying someone living on some island in the middle of the ocean 2000 years  that never left that island saying its impossible that there are other tribes outside of  his own sphere because you are unable to explore those areas. <br><br>I don't know why but that makes me so angry for an educated person to sound so ignorant. The universe is so vast it's almost incompressible for the human mind.<br><br>We can have a million other earth like planets we don't know about.,(reply>), I know it always freaks me out when so called “scholars” conclude something to be so obvious when they literally have no idea nor does anyone here on earth