The chunks of comet Shoemaker-Levy 9 were so large, and were moving so fast, that each hit Jupiter with at least the equivalent energy of the dinosaur-killing collision between Earth and an asteroid 65 million years ago. Whatever damage Jupiter sustained, one thing is for sure: it's got no dinosaurs left.
Neil deGrasse TysonWhen your reasons for believing something are justified ad hoc, you are left susceptible to further discoveries undermining the rationale for that belief.
Neil deGrasse TysonIf the people of Comic-Con ruled the world...then tomorrow would be invented every day.
Neil deGrasse TysonThe educated elite is not without their own actual snobbery. And I kind of an anti-elitist in that regard.
Neil deGrasse TysonI think everyone should have a personal mission to leave the Earth a better place for them having lived in it and let Earth then take it from there.
Neil deGrasse Tyson