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En route to Jupiter, NASA's Juno mission has snapped a quick photo of a familiar sight in the nighttime sky--the Big Dipper.

NASA's solar-powered Juno spacecraft successfully refined its flight path Wednesday with the mission's first trajectory correction maneuver.

En route to Jupiter, NASA's Juno mission has snapped a quick photo of a familiar sight in the nighttime sky--the Big Dipper.

NASA's Juno spacecraft has successfully separated from the Centaur upper stage of its Atlas V rocket. It is on its way to Jupiter.

The Juno spacecraft will soon be on its way to Jupiter on a mission to look deep beneath the planet's swirling curtain of clouds to find out what lies beneath.

NASA's Juno spacecraft is getting ready to lift off on Friday, Aug. 5, 2011.

A plaque dedicated to the famous astronomer Galileo Galilei will be carried to Jupiter.

NASA's Jupiter-bound Juno spacecraft will carry the 1.5-inch likeness of Galileo Galilei.

When it comes to magnetic fields, Jupiter is the ultimate muscle car -- it has the biggest, brawniest field of any planet in the solar system, powered by a monster engine under the hood.

NASA has invited 150 followers of the agency's Twitter account to a two-day launch Tweetup.