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| Endo-atmospheric tethers (Non-rocket spacelaunch concept. An endo-atmospheric tether uses the long cable within the atmosphere to provide some or all of the velocity needed to reach orbit AllaR) | |||
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| Endo-atmospheric tethers (Non-rocket spacelaunch concept. An endo-atmospheric tether uses the long cable within the atmosphere to provide some or all of the velocity needed to reach orbit AllaR) | |||