An artist rendition of a deployed solar sail. Source: NASA Engineers at the National Aerospace and Space Agency’s Marshall Space Flight Center in Huntsville, Alabama have deployed the NanoSail-D solar sail in low Earth orbit. The 100 square foot sail ...

Scientists at the University of Strathclyde in Glasgow, Scotland are claiming that maintainable displaced orbits – orbits above or below the standard geosynchronous orbits – may be possible with the help of solar sails. Scientist and science fiction writer Robert ...