| Question 1: The first rocket to reach space was the German V-2 Rocket, on a test flight in June, ________, although sub-orbital flight is not considered a spaceflight in Russia. | |||
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| Question 2: The most commonly used definition of ________ is everything beyond the Kármán line, which is 100 kilometers (62 mi) above the Earth's surface. | |||
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| Question 3: Per the ________, the Space Shuttle is due to be retired in 2010 due mainly to its old age and high cost of the program reaching over a billion dollars per flight. | |||
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| Question 4: But it was partially overcome by continuous venting of hydrogen from the third stage of the ________, and was in any event tolerable for the short stay. | |||
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| Question 5: In ________, the life support system is a group of devices that allow a human being to survive in outer space. | |||
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| Question 6: Many solid rockets have chlorine in the form of ________ or other chemicals, and this can cause temporary local holes in the ozone layer. | |||
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| Question 7: Ideas such as the ________, while elegant, are currently infeasible, whereas electromagnetic launchers such as launch loops have no known show stoppers. | |||
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| Question 8: Spaceflight is the use of space technology to achieve the ________ of spacecraft into and through outer space. | |||
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| Question 9: The Shuttle's heavy cargo transport role is to be replaced by expendable rockets such as the Evolved Expendable Launch Vehicle (EELV) or a ________. | |||
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| Question 10: Space weather is the concept of changing environmental conditions in ________. | |||
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