"They all laughed at Christopher Columbus when he said the world was round..." So wrote George Gershwin in his famous song, and it's nice to know that, in the 600 or so years since Columbus stumbled across the West Indies rather than the edge of the world, opinions have changed almost completely in the opposite direction.
Not everyone, however, is on board with the scientific consensus. If you're a keen follower of this site, then you'll have heard of Flat-Earthers. Despite all the evidence to the contrary - and you don't have to be Copernicus to see it, though that helps - there is a growing band of celebrities who have decided to ignore reason and throw their lot in with the conspiracy theorists.
Enter Freddie Flintoff. The great man made his name battering roundness from Flat Earth over a boundary rope, and now he's on board with those who defy science and, well, logic.
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"Evidence suggests the world isn't round," says the former England and Lancashire all-rounder. "If you're in a helicopter and you hover, why does the Earth not [rotate under you] if it's round? Why would water stay still if we're hurtling through space? Why is it not wobbling?"
Flintoff has been known to spout this sort of stuff before, but usually in the company of Robbie Savage on their BBC Radio 5 Live show.
He's said that he is going to attend a conference in the United States that will discuss the issue, presumably taking in a long flight on the way, in which he can gaze upon the splendour of a round globe out of the window of his plane.
He's far from the only celeb to have taken up the Flat-Earther credo.
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"I drive from Florida to California all the time, and it's flat to me," said former basketball superstar Shaquille O'Neal earlier in the year. "I do not go up and down at a 360-degree angle, and all that stuff about gravity."
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The king of the famous Flat Earthers is surely rapper B.o.B., who tweets constantly about it and has gone as far as setting up a fund to research it.
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"No matter how high in elevation you are...the horizon is always eye level...sorry cadets...I didn't wanna believe it either," he wrote in 2015.
"Don't believe what I say, research what I say. I'm going up against the greatest liars in history ... you've been tremendously deceived."
They all laughed at Christopher Columbus of course, but now we're all laughing at Freddie, Shaq and B.o.B.
Featured Image Credit: PATopics: rapper, Flat-earth, Nasa, space