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KENNEDY SPACE CENTER, FLA. -- On Pad 17A at Cape Canaveral Air Station, workers on the ground watch as cables lift a Delta II rocket into vertical position. Scheduled for launch on Dec. 10, 1998, the rocket is carrying the Mars Climate Orbiter. The orbiter is heading for Mars where it will primarily 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 atmos…
