The meaning of MOON is the earth's natural satellite that shines by the sun's reflected light, revolves about the earth from west to east in about 291/2 days with reference to the sun or about 271/3 days with reference to the stars, and has a diameter of
Ⅶ.任务型阅读The Moon Missions(太空飞行任务)People have looked at the moon and written poems about it for thousands of years, but nobody expected to go there until 1961 when Yuri Gagarin made the first manned space flight.Then the Americans decided to send a man to the moon. Apollo 11 ...
The next two missions will be crewed flights that will take astronauts to the Moon in the Orion spacecraft, including a visit to the Lunar surface as part of the Artemis III mission. During their missions, the Artemis astronauts will investigate the lunar surface and learn how to live and w...
A massive réévaluation is presently being made respecting the Moon and Mars Missions, both manned and unmanned. Since successful long-term human exploitation of celestial bodies requires advanced space stations, any plans dealing with the latter will materiallyChristol, Carl Q...
根据第一段“At least since the first manned missions to the moon in the 1960s and early 1970s, the general belief had been that the moon was totally dry. (至少自20世纪60年代和70年代初首次载人登月以来,人们普遍认为月球是完全干涸的)”可知,70年代以前人们普遍认为月球是干涸的星球,故选D项。
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At least since the first manned missions to the Moon in the 1960s and early 1970s,the general belief had been that the Moon was totally dry. Then, about two years ago,several lunar missions showed that's not absolutely true. Some lunar soil contains very small amounts of water molecules...
Missions to the moon's far side are difficult because it doesn't face the Earth. Excitingly, our country sent a space robot named Chang'e-6 there.Chang'e-6 successfully made its way to the moon's far side. It landed on 2nd June. After that, it collected some rock and soil samples...
As the U.S.'s lunar landing program wound down, plans for its last three Apollo missions were canceled, leaving unused hardware and questions of what might have been
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