Hypersonic flight is flight through the atmosphere at speeds above about Mach 5.5, a speed where disassociation of air begins to become significant and high heat loads exist.
Hypersonic flight has been achieved by the Space Shuttle's orbiter, the Apollo command module, Buran and scramjets.
Read more about Hypersonic Flight: History, Proposed Hypersonic Aircraft, Cancelled Hypersonic Aircraft
Famous quotes containing the word flight:
“When the flight is not high the fall is not heavy.”
—Chinese proverb.
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