...and Four to Go!

Explanation: Viewed from the top of the Vehicle Assembly Building at Kennedy Space Center, NASA's New Horizons spacecraft roars off the launch pad on January 19, 2006, aboard an Atlas V rocket spewing flames and smoke. Liftoff was on time at 2 p.m. EST from Complex 41 on Cape Canaveral Air Force Station.

Pluto

Image credit: NASA.