A new development in the beef no one saw coming: Astrophysicist Neil deGrasse Tyson has issued a response to B.o.B's diss called (wait for it) "Flat to Fact" -- and yes, it references Drake's "Back to Back."
While Tyson admitted on Twitter that he didn't do the rapping, he recruited his own nephew, who just so happens to be a rapper, to fire the shots for him.
B.o.B Tries to Convince Twitter Earth Is Flat, Neil deGrasse Tyson Responds