NASA's Juno successfully begins orbit of Jupiter

NASA's solar-powered Juno spacecraft successfully entered Jupiter's orbit today after a five-year journey from Earth, in a giant step to understand the origin and evolution of the king of planets and the solar system. With its suite of nine science instruments, Juno will study the existence of a solid planetary core, map Jupiter's intense magnetic field, measure the amount of water and ammonia in the deep atmosphere and observe auroras on our solar system's largest planet. 

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