it's amazing google 'radius of earth is 600 km' and the third hit is to raaaids ramblings on the science forum he is banned from..
http://www.thescienceforum.com/pseud...hemsleves.html
this proves the kind of trolling you are into, nothing to do with making people feel happy, you just want to dump yourself amongst the most rational people you can find and mess with their heads.