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:
“Sure smokers have made personal choices. And they pay for those choices every day, whether sitting through an airline flight dying for a smoke, or dying for a smoke in the oncology wing of a hospital. The tobacco companies have not paid nearly enough for the killing.”
—Anna Quindlen (b. 1952)
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