Hey guys, what are your thoughts on the existence of extraterrestrial life and the potential involvement of governments in concealing or studying such entities.
Carl Sagan was the Neil deGrasse Tyson of his day. No contributions to science other than self-popularization.
Yet he left this lingering idea that because the universe is immense the unique preconditions required for life would necessarily appear many times. Many people assume this is a "scientific" position and just rattle it off like a pull-string toy.