Welcome to Jupiter: NASA Spacecraft Reaches Giant Planet

Juno's Amazing Journey to Jupiter

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Pasadena, Calif. (AP) -- Braving intense radiation, a NASA spacecraft reached Jupiter on Monday after a five-year voyage to begin exploring the king of the planets.

Ground controllers at the NASA Jet Propulsion Laboratory and Lockheed Martin erupted in applause when the solar-powered Juno spacecraft beamed home news that it was circling Jupiter's poles.