Abstract
We have been treating stars as though they were isolated objects in the sky, unrelated to anything else in the universe. Actually they are members of groups that ultimately influence the history and evolution of these same stars in various ways. Every star has neighbors all around it in the sky as though it belonged to some vast ensemble of stars that seems to extend indefinitely into space. It is not very easy to get a clear idea of the nature or structure of this ensemble just by looking at the stars with our unaided eyes; modern telescopes and electronic techniques are needed to reveal the structure not only of this ensemble (the Milky Way galaxy) but also of other ensembles like it (the distant galaxies).
I saw Eternity the other night
Like a great ring of pure and endless light,
All calm, as it was bright,
And round beneath it, Time in hours, days, years,
Driv’n by the spheres
Like a vast shadow moved; in which the world
And all her trains were hurled.
—HENRY VAUGHAN, The World
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Reference
Several books provided useful information for this biography including: Angus Ar-mitage, William Herschel. London, 1962; J. B. Sidgwick, William Herschel. London, 1953;
M. A. Hoskin, William Herschel, Pioneer of Sidereal Astronomy. London, 1953.
Isaac Asimov, Asimov’s Biographical Dictionary of Science and Technology. New York: Doubleday, 2nd ed., 1982, p. 808.
Ibid.
Some valuable materials about Harlow Shapley’s life include: Bart J. Bok, “Harlow Shapley, Cosmographer,” American Scholar, 40 (1971), 470–474;
Hudson Hoagland, “Harlow Shapley—Some Recollections,” Publications of the Astronomical Society of the Pacific, 11 (1965), 422–430;
Kirtley Mather, “Harlow Shapley, Man of the World,” American Scholar, 40 (1971), 475–481.
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© 1989 Lloyd Motz and Jefferson Hane Weaver
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Motz, L., Weaver, J.H. (1989). The Milky Way (Our Galaxy). In: The Unfolding Universe. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-5982-9_17
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DOI: https://doi.org/10.1007/978-1-4899-5982-9_17
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