Brendan Zabarauskas on Twitter: "What would an alien (ie. professor of astronomy) find unique about the earth? Not much… apart from that ‘life’ thing. http://t.co/QVCqwoF" / Twitter

What would an alien (ie. professor of astronomy) find unique about the earth? Not much… apart from that ‘life’ thing. youtu.be/33xy_jpJCwY