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Fraser
2003-Jul-08, 10:09 PM
SUMMARY: As everybody knows, chemical rockets are too slow for space exploration. So, to speed up voyages around our Solar System, NASA is working on some new kinds of propulsion: ion engines, solar and plasma sails. Perhaps the most efficient will be hybrid systems, with different kinds of propulsion used at different points of a journey. This article gives you a breakdown of the technologies NASA's currently working on.


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