Spacecraft Crosses Neptune Orbit En Route to Historic Pluto Encounter

NASA’s Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major crossing en route to becoming the first probe to make a close encounter with distant Pluto on July 14, 2015.

The sophisticated piano-sized spacecraft, which launched in January 2006, reached Neptune’s orbit — nearly 2.75 billion miles from Earth — in a record eight years and eight months. New Horizons’ milestone matches precisely the 25th anniversary of the historic encounter of NASA’s Voyager 2 spacecraft with Neptune on Aug. 25, 1989.

“It’s a cosmic coincidence that connects one of NASA’s iconic past outer solar system explorers,...

Read full article here:
http://www.nasa.gov/press/2014/august/nasa-s-new-horizons-spacecraft-crosses-neptune-orbit-en-route-to-historic-pluto

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