"Duude -- to be clear: Being five centuries regressed in your reasoning doesn't mean we all can't still like your music," he sniped in a post on Twitter.

On Tuesday B.o.B. doubles down on the subject, dropping the track "Flatline," a defense of his debunked beliefs. "Globalists see me as a threat, free thinking got the world at my neck," he raps on the track. "Neil Tyson need to loosen his vest, they probably write that man one hell of check."