Word: associate5the
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...carried on by a small number of mathematicians and upper-atmosphere specialists at Smithsonian, many of whom also lecture at the University. Fred L. Whipple, Director of the Smithsonian Observatory, is an expert on meteors and meteoric risk to satellites as well as optical tracking; Theodore E. Sterne, Associate5The basis of JACCHIA'S discovery of the direct relationship between solar radiation and the movement of the satellites is illustrated by these four lines. The top two plots show the acceleration of two earth satellites due to varying atmospheric density, over a period from April to December, 1958. The third graph...
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