The new horizons space probe is on its' way to Pluto as you read this. It launched from Cape Canaveral 1212 days ago on Jan 19, 2006 and will make a very close fly by of Pluto 2220 days from now on July 14, 2015. The distance from Earth to Pluto is about 40 times the distance between the earth and the Sun. How fast in miles per hour, is it traveling?
