FM signals and those of broadcast television...travel out to space at the speed of light. Any eavesdropping alien civilization will know all about our TV programs (probably a bad thing), will hear all our FM music (probably a good thing), and know nothing of the politics of AM talk-show hosts (probably a safe thing).
Neil deGrasse TysonOnly when creative people take ownership of cosmic discovery will society accept science as the cultural activity that it is.
Neil deGrasse TysonSo much of what we understand comes from knowing what something is and what that something used to be, which allows us to figure out, or at least imagine, what happened in between.
Neil deGrasse TysonThere is no true understanding of Biology without Chemistry. And there's no true understanding of Chemistry without Physics.
Neil deGrasse Tyson