👽 Many scientists believe it's no longer a question of "if," but "when" we contact life from another planet 🪐 USC Dornsife scholars weigh in on what might happen when we finally meet E.T: t.co/J6Ry2GqICT #WorldUFODay | @USC | @USC_Physics | @IACSUSC | @USC_ali t.co/5wzodxVioh