 | William Augustus Norton - 1839 - 530 pages
...Quadratures. The four points midway between the syzigies and quadratures, are called Octants. 384. The interval from new moon to new moon again, is called a Lunar Month, and sometimes a Lunation. The mean daily motion of the sun in longitude is 59' 8".33,... | |
 | John Gummere - 1842 - 516 pages
...turned towards the earth and she appears as a full circle. It is then said to be full moon. About 7i days after this, when she is again in quadrature,...and moon, is called mean new moon or mean full moon. * As the sun is far greater than the moon, he enlightens rather more than half her surface. But this... | |
 | Elias Loomis - 1866 - 384 pages
...the moon shines by light borrowed from the sun. The interval from one new moon to the next new moon is called a lunation, or lunar month. It is evidently the same as a synodical revolution of the moon. 212. Obscure part of the moon's disc. — When the moon is just visible... | |
 | William Augustus Norton - 1867 - 636 pages
...quarter, Quadratures. The four points midway between the syzigies and quadratures are called Octants. 3OO. Lunar month. The interval from new moon to new moon again, is called a Lunar Month, and sometimes a Lunation. and hence, to find the mean length of a lunar month, we have... | |
 | Elias Loomis - 1870 - 274 pages
...the moon shines by light borrowed from the sun. The interval from one new moon to the next new moon is called a lunation, or lunar month. It is evidently the same as a synodical revolution of the moon. 188. Obscure Part of the Moorts Disc. — When, after conjunction,... | |
 | Elias Loomis - 1870 - 398 pages
...the moon shines by light borrowed from the sun. The interval from one new moon to the next new moon is called a lunation, or lunar month. It is evidently the same as a synodical revolution of the moon. 212. Obscure part of the moon's disc. — When the moon is just visible... | |
 | Elias Loomis - 1897 - 264 pages
...the moon shines by light borrowed from the sun. The interval from one new moon to the next new moon is called a lunation, or lunar month. It is evidently the same as a synodical revolution of the moon. 188. Obscure Part of the Moon's Disc. — When, after conjunction,... | |
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These phases prove conclusively that the moon shines by light borrowed from the sun. The interval from one new moon to the next new moon is called a lunation, or lunar month. It is evidently the same as a synodical revolution of the moon. 