Wonderful Wizard of Oz

NASA Pluto Probe to Wake From Hibernation Next Month | November 19, 2014

NASA’s New Horizons probe is about to wake up from a long slumber and get ready for its highly anticipated Pluto flyby next summer.

New Horizons is scheduled to emerge from a 99-day hibernation on Dec. 6, then gear up for a six-month Pluto encounter that peaks with the first-ever close flyby of the mysterious dwarf planet on July 14, 2015.

“New Horizons is healthy and cruising quietly through deep space, nearly 3 billion miles [4.8 billion kilometers] from home, but its rest is nearly over,” Alice Bowman, New Horizons mission operations manager at the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, said in a statement. “It’s time for New Horizons to wake up, get to work and start making history.” [New Horizons’ Flight to Pluto in Pictures]

New Horizons launched in January 2006. The spacecraft has spent about two-thirds of its long flight to Pluto asleep, over the course of 18 separate hibernation periods that ranged from 36 to 202 days in duration. Keeping the probe dormant so often has reduced wear and tear on New Horizons’ electronics and kept operations costs down, mission officials said.

New Horizons went into hibernation for the final time on Aug. 29 of this year. When the robot wakes up early next month, the mission team will check out its operating systems and science gear, and devise and test the command sequences that will guide New Horizons on its historic flyby of Pluto and its five known moons.

The Pluto encounter technically begins on Jan. 15, 2015. Over the next six months, the spacecraft will use seven different science instruments to study the geology and topography of Pluto and its largest moon, Charon, map the two objects’ surface compositions and temperatures, study Pluto’s atmosphere and search for undiscovered moons and rings in the dwarf planet system, among other things, team members said.

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