 The cause of the. tides is the unequal attraction of the sun and moon upon different parts of the earth. . For they attract the parts of the earth's surface nearest to them, with a greater force than they do its centre : and attract the centre more than...  New American Practical Navigator - Page 1851821Full view - About this book
 | Thomas Kirkland Glazebrook - 1825 - 222 pages
...twice to fall in about 24f hours ; and these risings and fallings a.re called Tides. This arises from the unequal attraction of the Sun and Moon upon different parts of the Earth, the parts near to the Sun and Moon being attracted towards those bodies by a greater force than those... | |
 | Nathaniel Bowditch - Nautical astronomy - 1826 - 732 pages
...its greatest height it is said to be high-water, and when it is done falling it is called low-water. The cause of the tides is the unequal attraction of...the waters take a spheroidal figure, whose longer axes is directed townrds the attracting luminary. If the moon only acted upon the water, the time of... | |
 | Nathaniel Bowditch - Nautical astronomy - 1826 - 764 pages
...its greatest height it is said to be high-water, and when it is done falling it is called low-teaier. The cause of the tides is the unequal attraction of...with a greater force than they do its centre : and atrract the centre more than they do the opposite surface. To restore this «juffibrium the waters... | |
 | Denison Olmsted - Astronomy - 1839 - 300 pages
...largest class, as Lake Superior, or the Caspian, have no perceptible tide. 195. Tides are caused by the unequal attraction of the sun and moon upon different parts of the earth. Suppose the projectile force by which the earth is carried forward in her orbit, to be suspended, and... | |
 | Denison Olmsted - Astronomy - 1839 - 308 pages
...largest class, as Lake Superior, or the Caspian, have no perceptible tide. 280. Tides are caused by the unequal attraction of the sun and moon upon different parts of the earth. Suppose the projectile force by which the earth is carried forward in her orbit, to be suspended, and... | |
 | Denison Olmsted - Astronomy - 1844 - 336 pages
...comes in a mighty wave, seen thirty miles oft', and roaring with a loud noise. 251. Tides are caused by the unequal attraction of the sun and moon upon different parts of the earth. We shall attend hereafter more particularly to the subject of universal gravitation, by which all bodies,... | |
 | Nathaniel Bowditch - 1846 - 854 pages
...greatest height, it is said to be high water ; and when it is done falling, it is called low water. The cause of the tides is the unequal attraction of...more than they do the opposite surface. To restore the equilibrium, the waters take a spheroidal figure, whose longer axis is directed towards the attracting... | |
 | Denison Olmsted - 1852 - 312 pages
...comes in a mighty wave, seen thirty miles off, and roaring with a loud noise. 251. Tides are caused by the unequal attraction of the sun and moon upon different parts of the earth. We shall attend hereafter more particularly to the subje_ct of universal gravitation, by which all... | |
 | Denison Olmsted - Astronomy - 1855 - 318 pages
...largest class, as Lake Superior, or the Caspian, have no perceptible tide. 195. Tides are caused by the unequal attraction of the sun and moon upon different parts of the earth. Suppose the projectile force by which the earth is carried forward in her orbit, to be suspended, and... | |
 | Denison Olmsted - Astronomy - 1858 - 318 pages
...largest class, as Lake Superior, or the Caspian, have no perceptible tide. 195. Tides are caused by the unequal attraction of the sun and moon upon different parts of the earth. Suppose the projectile force by which the earth is carried forward in her orbit, to be suspended, and... | |
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