The Japanese space agency reported on their web site today that acceleration of the IKAROS spacecraft by solar pressure has been confirmed.
Posted by Louis D. Friedman on 2010/05/27 12:00 CDT
The LightSail-1 spacecraft development is proceeding well. Our engineering team has completed crucial milestones to building the vehicle that will demonstrate the value and potential of using sunlight alone to propel exploratory craft through space.
In 2016, The Planetary Society’s LightSail program will take the technology a step further.