BILLIONAIRE duo Elon Musk and Jeff Bezos are set to do battle in a supersonic race to the stars with both men now officially leaving orbit. The business moguls are vying to be crowned as the kings of space with them already flexing their interplanetary might with their towering rockets and ambitious plans for the future. 15 SpaceX’s next-generation Starship spacecraft being launched in a test Credit: AP 15 Jeff Bezos is rivalling the Musk with his own space company in Blue Origin Credit: The Mega Agency 15 The Blue Origin before its first ever orbital take off earlier this...