It’s over, B.o.B. As we all (should have) learned years ago, the Earth is, indeed, not flat. Or, in Neil deGrasse Tyson‘s pithy words: “the Earth isnt f*cking flat.” Stopping by Larry Wilmore’s The Nightly Show last night, the renowned scientist and educator of the masses served up what should be the conclusion in B.o.B’s recent “flat Earth” saga. Before literally dropping the mic, Neil deGrasse Tyson delivered a brief summary and explanation of everything that’s wrong with B.o.B’s recent claims. You can check out footage of his appearance above.