Mach 2.04
Mach 2.04 is a term used in space and astronautical engineering to describe the speed of an object relative to the speed of sound in Earth's atmosphere. Specifically, Mach 2.04 refers to a speed that is 2.04 times the speed of sound, or approximately 2,500 kilometers per hour at sea level. Achieving Mach 2.04 requires advanced propulsion systems and aerodynamic designs that can withstand the high temperatures and pressures generated by supersonic flight. Mach 2.04 has been achieved by a number of aircraft and spacecraft, including the Concorde supersonic airliner and the X-15 rocket plane. In the context of spaceflight, Mach 2.04 is a significant milestone in the development of hypersonic vehicles that could one day enable faster and more efficient travel within Earth's atmosphere and beyond.
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