قراءة كتاب The Story of the Heavens

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‏اللغة: English

The Story of the Heavens

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المؤلف:

Ball Robert S (Robert Stawell)

دار النشر: Project Gutenberg

الصفحة رقم: 3

align="right">XI.

The Planet Jupiter " " 254 XII. Coggia's Comet " " 340 C. Comet A., 1892, 1 Swift " " 358 XIII. Spectra of the Sun and of three Stars " " 47 D. The Milky Way, near Messier II. " " 462 XIV. The Great Nebula in Orion " " 466 XV. The Great Nebula in Andromeda " " 468 E. Nebulæ in the Pleiades " " 472 F. ω Centauri " " 474 XVI. Nebulæ observed with Lord Rosse's Telescope " " 476 XVII. The Comet of 1882 " " 357 XVIII. Schiaparelli's Map of Mars " " 221

LIST OF ILLUSTRATIONS.

FIG.	PAGE
1.	Principle of the Refracting Telescope	11
2.	Dome of the South Equatorial at Dunsink Observatory, Co. Dublin	12
3.	Section of the Dome of Dunsink Observatory	13
4.	The Telescope at Yerkes Observatory, Chicago	15
5.	Principle of Herschel's Reflecting Telescope	16
6.	South Front of the Yerkes Observatory, Chicago	17
7.	Lord Rosse's Telescope	18
8.	Meridian Circle	20
9.	The Great Bear	27
10.	Comparative Sizes of the Earth and the Sun	30
11.	The Sun, photographed September 22, 1870	33
12.	Photograph of the Solar Surface	35
13.	An ordinary Sun-spot	36
14.	Scheiner's Observations on Sun-spots	38
15.	Zones on the Sun's Surface in which Spots appear	39
16.	Texture

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