"You don't talk about the spherical earth with NASA and then say let's give equal time to the flat-earthers," said Tyson.

"...The show's host, Neil deGrasse Tyson, has flat-out denied the requests and has made it abundantly clear that the show will contain scientifically-proven fact. He said while he approves of the media's ethos to provide opposing views so they may remain balanced, that has no place in science..." 
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