Friday Science: Speed
Tweet about this: bit.ly Watch it fullscreen! Speed of earth's rotation at the equator: 1000 mph Speed of earth's orbit around the sun: 66600 mph Speed of the sun's orbit around the Milky Way: 500000 mph Speed of the Milky Way against the Cosmic Microwave Background Radiation: 1250000 mph Speed of the New York City Subway: 30 mph Universal speed limit: 670000000 mph -- YouTube lopped 2 seconds off the end. twitter.com
