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At Launch Pad 17-A, Cape Canaveral Air Station, as tower rollback begins, a Boeing Delta II rocket undergoes final preparations for launch. The targeted launch time is 4:06 p.m. EST. The Delta II rocket is carrying the Stardust spacecraft, destined 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 ancient pre-solar interstellar grains and other remnants left over from th…
