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National Aeronautics and Space Administration (NASA) : The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the civilianspace program as well as aeronautics and aerospace research. NASA’s Jet Propulsion Laboratory is located in Pasdena.Deep impact is a NASA space probe, designed to study the composition of the interior of the Comet 'Tempel-1'. Phoenix was a robotic spacecraft on a space exploration mission on Mars under the Mars Scout Program. The Phoenix lander descended on Mars on May 25, 2008. Mission scientists used instruments aboard the lander to search for environments suitable for microbial life on Mars, and to research the history of water there. The total mission cost was about US $386 million, which includes cost of the launch. राष्ट्रीय वैमानिकी और अंतरिक्ष प्रशासन (नासा)  नेशनल एरोनॉटिक्स एंड स्पेस एडमिनिस्ट्रेशन (NASA) संयुक्त राज्य अमेरिका की सरकारी एजेंसी है जो नागरिक क्षेत्र कार्यक्रम के साथ...