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NASA to Begin Test of 20-Meter Solar Sail

Technology That Could Use Sun's Energy for Future Space MissionsNASA engineers and their industry partners are preparing to test two 20-meter (66-feet) long solar sail propulsion system designs -- a critical milestone in development of a unique propulsion technology using the Sun's energy that could lead to future deep space missions.The systems tests, scheduled for April through July, will be conducted at the NASA Glenn Research Center's Plum Brook Station in Sandusky, Ohio.