NASA to Test New Solar Sail Technology Solar sails, much like anti-matter and ion engines appear at first glance to only exist in science fiction. Many technologies from science fiction however, become science fact. In the example of solar sails, perfecting the technology ...
NASA Selects Companies To Study Solar Electric Propulsion Spacecraft WASHINGTON -- NASA has selected five companies to develop concepts for demonstrating solar electric propulsion in space. These capabilities are important for the agency's future human exploration missions to d ...