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- Fluid dynamics : The branch of physics that deals with the flow of fluids, i.e., liquids and gases.
- Lightning : Atmospheric discharge of electricity accompanied by thunder, which typically occurs during thunderstorms, and sometimes during volcanic eruptions or dust storms.
- SR-71 Blackbird : An advanced, long-range, Mach 3 strategic reconnaissance aircraft developed from the Lockheed YF-12A and A-12 aircraft by the Lockheed Skunk Works.
- Saturn (planet) : The sixth planet from the Sun in our solar system; named after the Roman god of agriculture and harvest.