You do. If you didn't move exactly right along with the earth, then the ground would be whizzing by under your feet, at speeds around 800 miles per hour in the central US, or 1,570 km per hour in...
Earth spins going diagonally bottom-right like going in an axil around. Earth spins because of the way it was formed. Our solar system formed about 4.6 billion years ago when a huge cloud of gas and...