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In particular: The article appears to only cover projects up to Masses in the middles of these lines would pull the sails taut against the coning caused by the radiation pressure. Most designs steer with small moving sails on the ends of the spars. By using this site, you agree to the Terms of Use and Privacy Policy. The lasers would have to operate for years continuously at gigawatt strength. On February 4, , the Znamya 2 , a meter wide aluminized-mylar reflector, was successfully deployed from the Russian Mir space station. After some initial problems with deployment, the solar sail was deployed and over the course of its day mission reportedly produced a "wealth of data" concerning the use of solar sails as passive deorbit devices. In , Energy Science Laboratories developed a new carbon fiber material that might be useful for solar sails.

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