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CAPE CANAVERAL, Fla. – During a media event at the Astrotech Space Operations facility in Titusville, Fla., a Ball Aerospace technician looks over NASA's Kepler spacecraft. At right is the high-gain antenna. The event provided media representatives an opportunity to photograph the space telescope and to interview project officials from NASA and Ball Aerospace, builder of the spacecraft. Kepler is designed to survey more that 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 Earth-size worlds do exist around stars like our sun, Kepler is expected to be the first to find them and the first to measure how common they are. The liftoff of Kepler aboard a Delta II rocket is currently planned for 10:48 p.m. EST March 5 from Space Launch Complex 17 on Cape Canaveral Air Force Station. Photo credit: NASA/Troy Cryder