Audie Cornish and Robert Siegel note that the ashes of some celebrities' were launched on the SpaceX Falcon rocket on Tuesday. They include those of James "Scotty" Doohan of Star Trek and astronaut Gordon Cooper.
A company called SpaceX has put an unmanned capsule into orbit, on the first-ever commercial mission to deliver cargo to the international space station. If successful, the mission will be a key step towards NASA's goal of privatizing space travel to the orbiting outpost.
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