B.o.B is convinced that the earth is flat and not even astrophysicist Neil deGrasse Tyson - or logic, could convince him otherwise. "The cities in the background are approx. 16miles apart... where is the curve ? please explain this," B.o.B asks. And the Atlanta rapper is dead serious.

After spending the past day attempting to convince Twitter that Earth is actually flat through a ridiculous amount of memes, the only thing that B.o.B has made clear is that he needs to lay off Twitter and sign up for some online courses.