writes "NASA shot its 4-ton Juno spacecraft into the cosmos today with the ultimate goal of learning everything we can about the largest planet in our solar system, Jupiter. Juno, once described as a flying armored tank, will take five years to reach its destination, slated to arrive at Jupiter in August 2016."
NASA has an explanation of the steps involved in getting Juno through the launch
, and an animated film explaining the mission
. The mission website
has streaming video of Juno's progress, and NASA's press kit explains the goals and the spacecraft in detail