关于这张图
CAPE CANAVERAL, Fla. – On Launch pad 17-B at Cape Canaveral Air Force Station in Florida, NASA's Kepler spacecraft arrives at the transfer level of the mobile service tower. Kepler will be moved inside for mating with the Delta II rocket for launch. The liftoff of Kepler is currently scheduled for 10:48 p.m. EST March 5. Kepler is designed to survey more than 100,000 stars in our galaxy to determine the number of sun-like stars that have Earth-size and larger planets, including those that lie in a star's "habitable zone," a region where liquid water, and perhaps life, could exist. If these E…