Word: mod
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Dates: during 1951-1951
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...speed necessary for aeropause flight, the craft will be enclosed in a film of hot air at 1,000° C. For flights of mod erate speed and duration, refrigerating units like those used on present-day jet fighters may be enough to counteract such temperatures. For long, fast flights, something more elaborate is required. One proposal for rocket-driven craft is to use the intensely cold liquid oxygen fuel as a heat absorber...