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NASA has powered us into the 21st century through signature accomplishments that are enduring icons of human achievement. What are some of those accomplishments, technological innovations, and scientific discoveries that have improved and shaped our lives? ...
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As NASA prepares to return to the Moon and establish a presence there, you decide to apply to be one of the lunar astronauts. What are you going to need to know about the Moon to be prepared to meet the qualifications? ...
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Robots can be found in factories, in homes, and even in movies. But, they also help with space exploration. How are robots an important part of space exploration? ...
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Imagine that you are strapped into the Space Shuttle, and the countdown clock is ticking... 10, 9, 8, 7. When the clock hits zero at liftoff, 7.5 million pounds of thrust are going to propel the shuttle somewhere. What if the vehicle were not properly prepared for its mission? ...
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There are currently more than a million near-earth asteroids (NEAs) with a diameter larger than 40 meters. Asteroids of this size can penetrate our atmosphere. Of these there are currently 849 known PHAs (potentially hazardous asteroids) which have the potential to make a close Earth approach. From movies and TV shows many people expect the earth is going to be hit by killer asteroids. What potential danger do they really pose and is there anything we can do to avoid or prevent contact? ...
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You have just been assigned as an engineer to help develop the Crew Exploration Vehicle for NASA's return to the Moon in 2018. How will this mission be different from the Apollo missions of the 1970s? Can we repeat the mission as before or will the return to the Moon require new approaches and new designs? ...
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The Space Shuttle, the most complex machine ever built, weighs almost four and one-half million pounds. How do you suppose NASA lift the parts to join them together and then gets the whole assembly up onto the launch pad? Do you think it can be done with technology that goes back thousands of years? ...
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