"theskeptic", you came to this forum. If anything, you should convince everyone the Earth is a sphere, and you'll have to use quantifiable evidence, not observational evidence. Also, when people say things like "You are in the conspiracy!!!!" or "Nasa is a bunch of seal-clubbing Nazis!!!" unless Tom Bishop said it, they are playing devil's advocate, or making fun of close-minded noobs that present the same three points in there first post that have been explained so many times over.