Word: seeing
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Dates: during 1950-1959
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Rougoor and Oort are not sure how to interpret their observations. They suspect that the hydrogen disk at the center of the galaxy is rich in stars, but they cannot see them. The stars and hydrogen, they say, are presumably held together by gravitation and revolve more or less as a unit. The outstreaming hydrogen beyond the ring is hard to explain. They calculate that at the present rate of flow, all the hydrogen should have been drained from the nucleus in a mere 10 million to 100 million years, which is only a tiny part of the life span...
Matter of Time. The sun is far out on one of the spiral arms of the galaxy, about 25,000 light-years from its center. Technically, the astronomers can only see what no longer exists, or rather what existed 25,000 years ago, when the radio waves they observe left the galaxy's center. But in cosmological time, 25,000 years is only the blink of an eye, and astronomers, faced with the huge intervals of space, use light-years as simple measures of distance...
Died. Povl Bang-Jensen, 50, Danish diplomat attached to the United Nations, who was fired from his job for "insubordination"; by his own hand (gunshot); in New York City (see NATIONAL AFFAIRS...
...other views of the birth-control problem, see NATIONAL AFFAIRS...
...See Cover...