On 24 December 1968, the crew of the Apollo 8 mission took a photo now known as Earthrise. To many, this beautiful blue sphere viewed from the moon's orbit is a perfect visual summary of why it is right to strive to go into space.Read and boggle along.
Not to everybody though. There are people who say they think this image is fake - part of a worldwide conspiracy by space agencies, governments and scientists.
Welcome to the world of the flat-earther...
On the internet and in small meeting rooms in Britain and the US, flat earth believers get together to challenge the "conspiracy" that the Earth is round.
"People are definitely prejudiced against flat-earthers," says John Davis, a flat earth theorist based in Tennessee...
(Linked by
apocalypsos, who boggles as well: "I want to believe that article is a joke. And YET.") 