There is no secret that humans want to colonize Mars and colonization of Mars is one of most prevalent themes in science fiction.
NASA prolonged the flight program of its first solar sail satellite, called NanoSail-D, from the initial 120 days for a few months later. According to NASA’s scientists, this is because the NanoSail-D making the turns around the Earth, little by little reduces the height more slowly than was programmed. NanoSail-D reduced the height of the flight about 28 miles (45 kilometers) from its original altitude of 400 miles (640 km) and continues to decline.Scientists predicts that it enters the dense layers of the atmosphere and burn up in them in six months or a year since its launch on November 19, 2010.And so now astronomers can see the NanoSail – D In North America, where a good viewing window will open in the early evening of April 27 and continue for 10-14 days.
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