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KENNEDY SPACE CENTER, FLA. -- On Pad 17A at Cape Canaveral Air Station, a Delta II rocket is maneuvered into position for launch on Dec. 10, 1998. The rocket is carrying the Mars Climate Orbiter which will head for Mars primarily to support its companion Mars Polar Lander spacecraft, which is planned for launch on Jan. 3, 1999. The orbiter's instruments will monitor the Martian atmosphere and image the planet's surface on a daily basis for one Martian year (1.8 Earth years). It will observe the appearance and movement of atmospheric dust and water vapor, as well as characterize seasonal change…
