evidence: Do You Believe The Earth Is Flat? Elon Musk Is Here To Debunk This Theory Once & For All The crazy billionaire who sent a car into space- Elon Musk has always trolled the 'Flat Earth' theory and its believers. [...] Flat earthers are onto you, Elon! ? #sarcasm pic.twitter.com/S89qS0ufnV — Lana Jelic (@LanaJelic) February 7, 2018 4. Stop It Already.