The realm of the nebulæ
Author(s)
Bibliographic Information
The realm of the nebulæ
（Mrs. Hepsa Ely Silliman memorial lectures）（Silliman milestones in science）
Yale University Press, c1982
- : pbk
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Note
Reprint. Originally published: New Haven : Yale University Press, 1936. (Mrs. Hepsa Ely Silliman memorial lectures)
Includes bibliographical references and index
Description and Table of Contents
Description
No modern astronomer made a more profound contribution to our understanding of the cosmos than did Edwin Hubble, who first conclusively demonstrated that the universe is expanding. Basing his theory on the observation of the change in distanct galaxies, called red shift, Hubble showed that this is a Doppler effect, or alteration in the wavelength of light, resulting from the rapid motion of celestial objects away from Earth. In 1935, Hubble described his principal observations and conclusions in the Silliman lectures at Yale University. These lectures were published the following year as "The Realm of the Nebulae," which quickly became a classic work.
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