Astrophysicist Neil deGrasse Tyson has become the subject of online speculation after a viral clip appeared to show him claiming the Earth is flat. The footage from the scientist's podcast, StarTalk , quickly spread after the episode was shared on October 30. Viewers were able to see the claim within the first 30 seconds of the 18-minute long episode . Its video version has garnered more than 1.6 million watches to date. A prominent astrophysicist and science communicator, deGrasse Tyson