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NanoSail-D, satellite traveling at solar sails

The NanoSail-D flying over southern Italy

It parenchyma NanoSail-D and is the first satellite to be travel around the world without the help of the propellant, which generally move with the satellites, but thanks to the pressure received by the radiation of the Sun
Thanks to its "solar sails", which allow it to be driven by solar radiation pressure, the unit will end its mission slowly descending towards the 'Earth's atmosphere, where it will break without leaving a trace of itself in space. And 'This is another experiment carried out by scientists at NASA and that will reduce the amount of "space junk" now represented by an enormous amount of satellites in orbit. And to think that
NanoSail-D had already lost hope. Caught in the fact that the satellite capacity in orbit eveva last November, soltanto il 17 gennaio scorso - probabilmente per un movimento di assestamento del satellite - la NanoSail-D è uscita e ha aperto le sue vele, cominciando la sua navigazione spaziale. Anche questa è energia rinnovabile...