Solar sail gets another chance for launch

 作者:高儿     |      日期:2019-02-28 02:03:00
IT’S an idea that has been plagued by misfortune. Now, proponents of technology that seeks to propel spacecraft using the pressure exerted by photons from the sun on thin “solar sails” look set for another chance to get their idea off the ground. Missions by the US non-profit Planetary Society to test solar sail technology failed in 2001 and 2005,