Incredible But True Incredible But True Human World History Makers Cities Of The World Art And Music Sporting Headlines Plant Life Fish, Amphibians, Reptiles Birds and Mammals Creepy Crawlies Marine Life Restless Earth Earth's Secrets Changing Weather Seas And Oceans Comparisons Amazing Structures Machines And Man World Of Inventions Travelling Around Mysterious Universe	In Space - Newton The laws of physics that govern space flight were first published by Isaac Newton in 1687. Space craft   Previous: Back Book: Incredible But True Section: Incredible But True Chapter: Machines And Man