UK researchers have developed a device to drag space junk out of orbit. They plan to launch a demonstration of their "CubeSail" next year. It is a small satellite cube that deploys a thin, 25-sq-m plastic sheet.
It is the picture that confirms Japan's Ikaros solar sail is fully extended and ready for the next part of its mission. ... The project team will be particularly concerned to keep the sail fully extended and flat. Rather than employ rigid booms or ribs to do this, Ikaros simply spins, making one or two revolutions per minute.