Sixty years ago, the world watched in wonder at the dawning of the space age. Humankind's first flights into space and the landing on the moon showed the seemingly impossible was achievable. Now we are on the brink of a new space revolution. Space travel has never been so accessible. The entrepreneurial vision of business tycoon Elon Musk and his Space X business teamed with more affordable and reliable technology has resulted in a space revolution that is giving rise to a whole new world of possibilities. On Monday Four Corners examines the extraordinary opportunities and challenges of the new space age, in which travel beyond our own planet is suddenly affordable.