Word: much
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Dates: during 1960-1969
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...exact figure. This precise measuring rod should help answer a number of vexing scientific questions. By revealing previously unmeasurable variations in the orbit of the moon, for example, it should provide a better understanding of the nature of gravity. For if scientists can determine precisely how much the moon's orbit is increasing each year, they may finally be able to confirm?or disprove?the theory that the force of gravity is gradually diminishing...
...entire spectrum of these frequencies. Furthermore, by building radio telescopes on the back side of the moon, astronomers will be able to escape completely from the radio interference caused by earth's increasingly electronic civilization. Without the background "noise" to contend with, radio astronomers will be able to detect much fainter radiation from space, perhaps even the weak signals of a distant civilization...
...moon last Christmas. A paralyzing bone spur in the neck sent Collins to the hospital in June 1968 for a risky operation, however, and Bill Anders took his place. The surgery was a complete success, and Collins was back on full flight status by last November. It was much too late for him to resume his original place with the Apollo 8 crew?but it opened the way for him to join Apollo...
...Like so much else at NASA, the selection of the moon-landing crew seemed totally routine. Indeed, when the crew was selected in January, there was no assurance that Apollo 11 would make the first moon landing. Apollo 10 was then still a candidate for the mission; there was also the distinct possibility that if problems developed, the attempt would be postponed until Apollo 12, 13 or even 14. "There isn't any big magic selection that goes on for each mission," says Slayton, whose crew recommendations have never been overruled. "It is like every squadron of fighter pilots...
...Mike Collins was fired by any particular ambition in his early years, he managed to conceal the fact. Even as a test pilot, and a member of a traditionally no-nonsense profession, he remained relaxed and easygoing. "He lived from day to day and didn't care too much about the future," recalls Bill Dana, a classmate of Collins' at West Point and a fellow test pilot at Edwards Air Force Base. Adds Dana: "He didn't really take hold until he got into the space program." That happened in 1963 when NASA accepted his application to be an astronaut...