An asteroid the size of a school bus buzzed by Earth today (Sept. 7) in an exceptionally close — but safe — flyby. Scientists discovered the object on Monday, just two days before its encounter with Earth. <br />The rock came particularly close to Earth’s communication satellites, which orbit at an altitude of 22,300 miles (35,900 km). <br />Read more here <br />http://marygreeley.com/?page_id=35957
