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On Launch Pad 17-A, Cape Canaveral Air Force Station, the canister that surrounded the Mars Odyssey orbiter rises up and away while workers watch its progress. Scheduled to launch 11:02 a.m. EDT April 7, the spacecraft will map the Martian surface in search of geological features that could indicate the presence of water, now or in the past, and may contribute significantly toward understanding what will be necessary for a more sophisticated exploration of Mars
