Neil deGrasse Tyson's Nephew Fires Back at B.o.B. on 'Flat to Fact'

Astrophysicist lends voice to Stephen Tyson's diss track refuting Atlanta rapper's claims the Earth is flat

Neil deGrasse Tyson's nephew, Stephen, has released a diss track aimed at B.o.B., who called out the scientist in a song suggesting the Earth is flat Credit: John Lamparski/Getty

Neil deGrasse Tyson's nephew Stephen has released a new song, "Flat to Fact," in support of the celebrated astrophysicist, whose surreal back-and-forth with B.o.B. over whether the Earth is flat has turned into a full-fledged rap feud. 

The saga between the scientist and MC began over the weekend when B.o.B. spent hours propagating the Earth-is-flat myth on Twitter. Unsurprisingly, the tirade drew the attention of Tyson, who debunked some of B.o.B.'s more dubious scientific claims — and took a few jabs at the rapper. In response, B.o.B. released, "Flatline," in which he rapped, "Neil Tyson need to loosen up his vest / They'll probably write that man one hell of a check."

Tyson fired back Tuesday evening with a link to his nephew's "Flat to Fact" in a tweet directed at B.o.B.: "As an astrophysicist I don’t rap, but I know people who do. This one has my back."

While Tyson does lend his dulcet voice to the beginning and end of "Flat to Fact" — reciting two scathing tweets he sent B.o.B. — the track is an otherwise straightforward diss that both sonically, and lyrically, nods to Drake's scathing Meek Mill take-down, "Back to Back Freestyle."

"I'm in the Hayden Planetarium gettin' shoulder rubs," Stephen Tyson spits. "I think it's very clear, that Bobby didn't read enough / And he's believing all this conspiracy theory stuff / Are these all of your thoughts or is the loud talkin?" Elsewhere, Tyson promises he'll keep schooling B.o.B. if necessary with a reference to DJ Khaled's "another one" ad-lib, while later he cracks that the rapper is getting his intel straight from Donald Trump.

While there's a playful, flabbergasted tone to Tyson's "Flat to Fact," B.o.B.'s "Flatline" is disconcertingly serious and rife with outlandish conspiracy theories. Alongside musings about the masons and "mirror lizards" — ostensibly a reference to the myth that a humanoid-reptilian elite governs the world — B.o.B. alleges a global Jewish conspiracy and urges listeners to look up noted Holocaust denier David Irving.