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CAPE CANAVERAL, Fla. -- Media representatives vie for the best positions for their camera tripods at Press Site 1 near Space Launch Complex 17B on Cape Canaveral Air Force Station. On tap is the launch of NASA's Gravity Recovery and Interior Laboratory mission. Liftoff aboard a United Launch Alliance Delta II Heavy rocket is scheduled for 8:37:06 a.m. EDT. GRAIL will fly twin spacecraft in tandem around the moon to precisely measure and map variations in the moon's gravitational field. The mission will provide the most accurate global gravity field to date for any planet, including Earth. …
