Word: meteoroid
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Dates: during 1980-1989
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...side of the craft facing the comet is covered with a double shield, one made of aluminum and the other of Kevlar, the material used in bulletproof vests. Even then, Giotto is not expected to survive the encounter unharmed. A collision with a large dust particle or small meteoroid could ruin the entire operation. "The biggest danger we face," says Bonnet, "is that the craft's antenna will be knocked out of alignment and we will lose control over...