单词：propulsion bay
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经济学人音频版 Unit15:United States-Guantanamo Bay
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Visionary Ideas Could Transform Future NASA Missions NASA, the U.S. space agency, has awarded $3 million in grants for 30 proposals which explore new ideas for Americas next generation space program. The proposals reflect wide-ranging visions of new
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Yelena Isinbayeva is the greatest female pole vaulter ever. She won the 2004 and 2008 Olympic Gold Medal and has twice been the IAAFs Female Athlete of the Year. In 2005, she became the first woman to clear five metres and is the current world record
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Scientists Testing Space Propulsion by Light 科学家测试太阳能动力 Can the sun provide power for a spaceship to travel to the edge of our solar system? The answer may come from a small satellite. A Delta V rocket carried the satellite into s
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NASA Working Toward Mission to Mars The head of the National Aeronautics and Space Administration, or NASA, said that the space agency is on track to land people on Mars in the 2030s. Charles Bolden is the administrator for NASA. He said that five ye
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