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by Science Source
$15.00
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Product Details
Our spiral notebooks are 6" x 8" in size and include 120 pages which are lined on both sides. The artwork is printed on the front cover which is made of thick paper stock, and the back cover is medium gray in color. The inside of the back cover includes a pocket for storing extra paper and pens.
Design Details
Cecilia Payne-Gaposchkin (May 10, 1900 - December 7, 1979) was an English-American astronomer and astrophysicist. In 1923, after meeting Harlow... more
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Cecilia Payne-Gaposchkin (May 10, 1900 - December 7, 1979) was an English-American astronomer and astrophysicist. In 1923, after meeting Harlow Shapley, the Director of the Harvard College Observatory, who had just begun a graduate program in astronomy, she left England. In her 1925 PhD thesis, she proposed an explanation for the composition of stars in terms of the relative abundances of hydrogen and helium. In 1931, she became an American citizen. On a tour through Europe she met Russian-born astrophysicist Sergei I. Gaposchkin. She helped him get a visa to the US and they married in 1934. She studied stars of high luminosity in order to understand the structure of the Milky Way. She studied variable stars, making over 1,250,000 observations with her assistants. This work later was extended to the Magellanic Clouds, adding a further 2,000,000 observations of variable stars. These data were used to determine the paths of stellar evolution. She remained scientifically active througho...
$15.00
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