"CAPE CANAVERAL, Fla., March 5 /PRNewswire-USNewswire/ -- NASA's Kepler mission to seek other Earth-like planets is undergoing final preparations for liftoff Friday, March 6, from Pad 17-B at Cape Canaveral Air Force Station in Florida. The spacecraft launch aboard a Delta II rocket has two windows of opportunity Friday, from 10:49 to 10:52 p.m. and 11:13 to 11:16 p.m. EST."