HUNTSVILLE, Ala. ? NASA's nanosatellite NanoSail-D is slowly descending after successfully orbiting the Earth's upper atmosphere for 95 days since deploying its 100-square-foot sail on Jan. 20. The small satellite demonstration experiment continues its descent towards Earth, lending key sail data to the design of de-orbit mechanisms for future satellites.
One of NanoSail-D's main mission objectives is to demonstrate and test the de-orbiting capabilities of a solar sail for possible use in [...]
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