NASA's Juno spacecraft will be forging ahead into a treacherous environment at Jupiter with more radiation than any other place NASA has ever sent a spacecraft, except the sun. In a specially filtered cleanroom in Denver, where Juno is being assembled, engineers recently added a unique protective shield around its sensitive electronics. New pictures of the assembly were released today.
"Juno is basically an armored tank going to Jupiter," said Scott Bolton, Juno's principal investigator, based at Southwest Research Institute in San Antonio. "Without its protective shield, or radiation vault, Juno's brain would get fried on the very first pass near Jupiter." An invisible force field filled with high-energy particles coming off from Jupiter and its moons surrounds the largest planet in our solar system.
This magnetic force field, similar to a less powerful one around Earth, shields Jupiter from charged particles flying off the sun. The electrons, protons and ions around Jupiter are energized by the planet's super-fast rotation, sped up to nearly the speed of light. Jupiter's radiation belts are shaped like a huge doughnut around the planet's equatorial region and extend out past the moon Europa, about 650,000 kilometers (400,000 miles) out from the top of Jupiter's clouds.
"Juno is basically an armored tank going to Jupiter," said Scott Bolton, Juno's principal investigator, based at Southwest Research Institute in San Antonio. "Without its protective shield, or radiation vault, Juno's brain would get fried on the very first pass near Jupiter." An invisible force field filled with high-energy particles coming off from Jupiter and its moons surrounds the largest planet in our solar system.
This magnetic force field, similar to a less powerful one around Earth, shields Jupiter from charged particles flying off the sun. The electrons, protons and ions around Jupiter are energized by the planet's super-fast rotation, sped up to nearly the speed of light. Jupiter's radiation belts are shaped like a huge doughnut around the planet's equatorial region and extend out past the moon Europa, about 650,000 kilometers (400,000 miles) out from the top of Jupiter's clouds.
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