Knot
In space and astronautical engineering, a knot refers to a unit of speed equal to one nautical mile per hour. It is commonly used to measure the speed of spacecraft and other vehicles in space. One knot is equivalent to 1.852 kilometers per hour or 1.15078 miles per hour. The use of knots in space travel is derived from the maritime industry, where it is used to measure the speed of ships and boats. The speed of a spacecraft is critical in determining its trajectory and the amount of fuel required for a mission. Therefore, accurate measurement of speed is essential for successful space missions.
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