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" Ingens macula in sole conspiciebatur, cujus diameter •£$ diam solis." ground is finely mottled with an appearance of minute, dark dots, or pores, which, when attentively watched, are found to be in a constant state of change. There is nothing which... "
Time's telescope; or, A Complete guide to the almanack [ed. by J. Millard]. - Strona 52
pod redakcją - 1834
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Outlines of Astronomy

John Frederick William Herschel - 1851 - Liczba stron: 661
...of the subject. The part of the sun's disc not occupied by spots is far from uniformly bright. Its ground is finely mottled with an appearance of minute,...dark dots, or pores, which, when attentively watched, arc found to be in a constant state of change. There is nothing which represents so faithfully this...
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The solar system, a descriptive treatise. (Readings in popular lit.).

John Russell Hind - 1851
...by this uniform mottling of the Sun's disc has been aptly compared by the same eminent astronomer to the " slow subsidence of some flocculent chemical...transparent fluid, when viewed perpendicularly from above." The rotation of the Sun upon his axis was inferred, as already remarked, from observations on the positions...
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Hand-books of Natural Philosophy and Astronomy, Tom 3

Dionysius Lardner - 1854
...stratum of luminous clouds of varying depth and having an unequal surface, or the appearance produced by the slow subsidence of some flocculent chemical precipitates in a transparent fluid, when looked at perpendicularly from above. In the space immediately around the edges of the spots extensive...
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Elementary Treatise on Astronomy

William Augustus Norton - 1852 - Liczba stron: 382
...Sir John Herschel, the part of the sun's disc not occupied by spots is far from uniformly bright. Its ground -is finely mottled with an appearance of minute...dark dots, or pores. which, when attentively watched, arc found to be in a constant state of change. 403. When the positions of the spots on the disc are...
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The Solar System: A Descriptive Treatise Upon the Sun, Moon, and Planets ...

John Russell Hind - 1852 - Liczba stron: 198
...by this uniform mottling of the Sun's disc has been aptly compared by the same eminent astronomer to the " slow subsidence of some flocculent chemical...transparent fluid, when viewed perpendicularly from above." The rotation of the Sun upon his axis "was inferred, as already remarked, from observations on the...
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Hand-book of Natural Philosophy and Astronomy: 3d Course. Meteorology ...

Dionysius Lardner - 1853 - Liczba stron: 852
...stratum of luminous clouds of varying depth and having an unequal surface, or the appearance produced by the slow subsidence of some flocculent chemical precipitates in a transparent fluid, when looked at perpendicularly from above. In the space immediately around the edges of the spots extensive...
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The Museum of Science and Art, Tom 3

Dionysius Lardner - 1854
...stratum of luminous clouds of varying depth, and having an unequal surface, or the appearance produced by the slow subsidence of some flocculent chemical precipitates in a transparent fluid, when looked at perpendicularly from above. In the space immediately around the edges of the spots extensive...
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Summarized Proceedings ... and a Directory of Members, Tom 8

American Association for the Advancement of Science - 1855
...surface is broken up into mountainous masses of light, of great height. Sir John Herschel says, that its ground is finely mottled with an appearance of minute...watched, are found to be in a constant state of change. What words could be better descriptive of the appearance the dark body of the sun would probably present...
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The New Church Repository and Monthly Review, Tom 5

1855
...far from being uniformly bright. Its ground is finely mottled with an appearance of minute dark spots or pores, which when attentively watched are found to be in a constant state of change. 1. Their Structure. Of these spots there are two varieties ; some are very distinct and perfectly black,...
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Popular astronomy. From 'The museum of science and art'.

Dionysius Lardner - 1855
...stratum of luminous clouds of varying depth, and having an unequal surface, or the appearance produced by the slow subsidence of some flocculent chemical precipitates in a transparent fluid, when looked at perpendicularly from above. In the space immediately around the edges of the spots extensive...
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