The Big Dipper as seen by the JunoCam instrument onboard the Juno spacecraft, currently en route to the planet Jupiter. The image was taken on March 21, 2012 during an instrument test. Launched on August 5, 2011, Juno will enter polar orbit around the solar system's largest planet in the summer of 2016 to explore Jupiter's magnetic environment and interior structure. credit: NASA/JPL-Caltech/SWRI/MSSS













