Word: showerhead
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Dates: during 1970-1979
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...time it reaches 4,000 ft., Viking will begin firing its three descent engines, separate from its chute and approach the surface at less than 6 m.p.h. So that the landing site will be disturbed as little as possible, each of the braking rockets will fire through a showerhead arrangement of 18 nozzles to diffuse the blast. The rocket fuel is also hydrocarbon-free to avoid confusing Viking's life-seeking instruments. When the first Viking foot pad touches Martian soil, it will trip a sensor that shuts off the engines. Eighteen minutes later controllers will know, by signals...
Another girl stations herself at the adjacent showerhead. She removes the top of her bathing suit with a swing that sends cold chlorine water into the other's face...