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Space Perspective completes capsule for balloon-powered "journey to the edge of space"The teardrop-shaped capsule was designed by London ... Hauled by a hydrogen-filled balloon instead of a rocket engine, the Neptune capsule will travel at only around 12 miles per hour while ...
This jet of air functions like jet force and propels the balloon forwards. Rocket engines function according to the exact same principle: as the fuel burns inside the rocket, the gases produced ...
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