Книга: Hall Asaph «Observations of Double Stars Made at the United States Naval Observatory, Volume 2»

Observations of Double Stars Made at the United States Naval Observatory, Volume 2

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Книга представляет собой репринтное издание. Несмотря на то, что была проведена серьезная работа по восстановлению первоначального качества издания, на некоторых страницах могут обнаружиться небольшие "огрехи" :помарки, кляксы и т. п.

Издательство: "Книга по Требованию" (2011)

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Observations of Double Stars Made at the United States Naval Observatory, Volume 1Книга представляет собой репринтное издание. Несмотря на то, что была проведена серьезная работа по… — Книга по Требованию, - Подробнее...2011689бумажная книга

Hall, Asaph

▪ American astronomer
born Oct. 15, 1829, Goshen, Conn., U.S.
died Nov. 22, 1907, Annapolis, Md.
 American astronomer who discovered the two moons of Mars, Deimos and Phobos, in 1877 and calculated their orbits.

      Hall came from an impoverished family and was largely self-taught, though he did study briefly at Central College, McGrawville, N.Y., and at the University of Michigan. By 1858 he had acquired a minor position at the Harvard University observatory, where he did research and wrote papers. In 1863 he was appointed professor of mathematics at the U.S. Naval Observatory, in Washington, D.C., a position he held until his retirement in 1891. There he was chiefly concerned with planetary astronomy, the orbits of double stars, and determinations of stellar parallax. From 1896 to 1901 he was professor of astronomy at Harvard.

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Источник: Hall, Asaph

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