Bussard ramjet
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The Bussard ramjet is a theoretical method of spacecraft propulsion for interstellar travel. A fast moving spacecraft scoops up hydrogen from the interstellar medium using an enormous funnel-shaped ma
Artist's conception of a Bussard ramjet. A major component of an actual ramjet – a miles-wide electromagnetic field – is invisible.
Ramjet
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A ramjet is a form of airbreathing jet engine that requires forward motion of the engine to provide air for combustion. Ramjets work most efficiently at supersonic speeds around Mach 3 and can operate
Bussard ramjet
…occurs, which provides thrust to counter the drag created by the funnel and energy to power the magnetic field. The Bussard ramjet can thus be seen as a ramjet variant of a fusion rocket. The Bussard ramjet was proposed in 1960 by the physicist Robert W. Bussard…
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Kh-31 missile ramjet exhaust
An AQM-60 Kingfisher, the first production ramjet to enter service with the US military
Upper engine is a ramjet on the Bloodhound missile