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" ... of the planet. The surface of the ring is separated in the middle by a black concentric band, which divides it into two distinct rings. The edge of this ring, being very thin, sometimes disappears ; and, as this edge will present itself to the sun... "
Astronomical Tables and Formulæ Together with a Variety of Problems ... - Page 60
by Francis Baily - 1827 - 304 pages
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The Gallery of Nature and Art; Or, A Tour Through Creation and Science, Volume 1

Edward T W. Polehampton - 1815 - 568 pages
...ring is separated in the middle by a black concentric band, which divides it into two distinct rings. will -occur about once in 15 years ; but under circumstances...different. .. • • , [The intersection of the ring and the ecliptic is in 5' 20° and 11*20°; consequently, when Saturn is in either of those signs, his...
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The Gallery of Nature and Art; Or, a Tour Through Creation and Science, Volume 1

Edward Polehampton - 1815 - 592 pages
...divides it into two distinct rings. The edge of this ring, being very thin, sometimes disappears : and, as this edge will present itself to the sun twice in each revolution of the planet, is is obvious that the disappearance of the ring occur about once in 15 years ; but under circumstances...
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The Gallery of Nature and Art: Or, a Tour Through Creation and Science, Volume 1

Edward Polehampton, John Mason Good - 1818 - 590 pages
...disappears: and, as this edge will present itself to the nm twice in each revolution of the planet, is is obvious that the disappearance of the ring will...very different. [The intersection of the ring and the ecliptic is in 5' 2O° and 1 T 20° ; consequently, when Saturn is in either of those signs, hi*...
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Universal Science Or the Cabinet of Nature and Art, Comprising ..., Volume 1

Alexander Jamieson - 1821 - 448 pages
...divides it into two distinct rings. The edge of this ring, being very thin, sometimes disappears ; and, as this edge will present itself to the sun twice...oftentimes very different. The intersection of the ring and the ecliptic is in 5• 20° and 11• 20°; consequently, when Saturn is in either of those signs,...
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The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a ...

Elijah Hinsdale Burritt - 1842 - 344 pages
...may be seen tn the greaiest advantage. As the edges of the rings will present themselves lothe i^tin twice in each revolution of the planet, it is obvious that the disappearance of them will occur once in about 15 years ; subject, however, to the variation dependent on the position...
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