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Billows of exhaust roll across Launch Pad 17-A, Cape Canaveral Air Station, as the Boeing Delta II rocket carrying the Stardust spacecraft launches on time. At left is the mobile launch tower. After a 24-hour postponement, the rocket lifted off at 4:04:15 p.m. EST. Stardust is 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 grain…
