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Which year are you in? how can i do my homework online Juno is currently barreling out of Earth's orbit - it is one of Man's fastest things - and heading to Jupiter at 12,000kph. It will study the gravity, atmosphere and construction of the Solar System's largest planet. The $1.1bn solar-powered probe will arrive at the planet in the summer of 2016, provided it suffers no more problems. ?簧
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