Flat-Earth Rap Battle: Neil deGrasse Tyson Schools B.o.B. on Planet's Shape

On Monday evening (Jan. 25), Grammy-nominated rapper B.o.B. called out famous astrophysicist Neil deGrasse Tyson in a new song proclaiming that — satellite photos, circumnavigation of the globe and all other evidence be damned — the Earth is flat. "Neil Tyson need to loosen up his vest. The title apparently refers to the shape of the horizon, as seen by B.o.B. Throughout Sunday (Jan. 24) and Monday, the rapper, whose real name is Bobby Ray Simmons Jr., tweeted a number of photos that