Thousands of years ago the author of the Book of Job was aware that the earth was suspended in space, for he writes:
Lanxa kwasekudlule iminyaka engaba ngu-1 100 ibhuku likaJobe lilotshiwe, abantu babelokhu bengakuvumi ukuthi umhlaba uzilengela emoyeni, babelokhu besithi uhlezi phezu kolunye ulutho.