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The New Heavens

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Published: 1922
Language: English
Wordcount: 17,367 / 61 pg
Flesch-Kincaid Reading Ease: 47.8
LoC Category: Q
Downloads: 780
Added to site: 2006.09.29
mnybks.net#: 14876
Origin: gutenberg.org
Genre: Science

A popular account of astounding astronomical discoveries.

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ned at a small angle to each other." This view does not differ essentially from our modern conception of the form of the Galaxy; but as the Herschels were unable to see stars fainter than the fifteenth magnitude, it is evident that their conclusions apply only to a restricted region surrounding the solar system, in the midst of the enormously extended sidereal universe which modern instruments have brought within our range.

MODERN METHODS

The remarkable progress of modern astronomy is mainly due to two great instrumental advances: the rise and development of the photographic telescope, and the application of the spectroscope to the study of celestial objects. These new and powerful instruments, supplemented by many accessories which have completely revolutionized observatory equipment, have not only revealed a vastly greater number of stars and nebulæ: they have also rendered feasible observations of a type formerly regarded as impossible. The chemical analysis of a faint star is now so ea

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W. L. Liberman
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