Technicians conduct deployment tests on solar array panel #1 with its magnetometer boom for NASA's Juno spacecraft prior to illumination testing.

At Astrotech Space Operations in Titusville, Fla., technicians conduct deployment tests on solar array panel #1 with its magnetometer boom for NASA's Juno spacecraft prior to illumination testing.

Juno is scheduled to launch aboard a United Launch Alliance Atlas V from Cape Canaveral, Fla. Aug. 5.The solar-powered spacecraft will orbit Jupiter's poles 33 times to find out more about the gas giant's origins, structure, atmosphere and magnetosphere and investigate the existence of a solid planetary core. For more information visit: www.nasa.gov/juno. Photo credit: NASA/Jack Pfaller