Mr. GLEN FOUNTAIN (Johns Hopkins Applied Physics Lab): Leaving Earth, the New Horizons will be traveling at eight miles per second, and eight hours later, the spacecraft will pass the orbit of the moon.

NPR: NASA Sends Spacecraft to Pluto

"A lot of people don't correctly choose what tires should be on their car, " says Unser, who drove the 24 Hours of Daytona car race eight times and finished second in the 24 Hours of Le Mans.

FORBES: Cars