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In the Payload Hazardous Servicing Facility, workers guide a protective canister as it is lowered over the Stardust spacecraft. Once it is enclosed, Stardust will be moved to Launch Pad 17-A, Cape Canaveral Air Station, for launch preparations. Stardust is targeted for liftoff on Feb. 6 aboard a Boeing Delta II rocket for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of anc…
