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KENNEDY SPACE CENTER, FLA. -- The Pegasus XL rocket is dropped from the L-1011 aircraft at 3:14 p.m. EST, propelling NASA's Solar Radiation and Climate Experiment (SORCE) toward its orbit. Separation of the spacecraft from the rocket occurred 10 minutes and 46 seconds after launch at about 3:24 p.m. Initial contact with the satellite was made seven seconds after separation via a NASA communications satellite network. Over the next few days, the mission team will insure that the spacecraft is functioning properly. The SORCE science instruments will then be turned on and their health verified. …