 | Benjamin Martin - 1772 - 516 pàgines
...lies under the Degree of the Ecliptic in which the Sun appears at any Time. Thirdly, That the Axis of the Earth is not perpendicular to the Plane of the Ecliptic, but inclined thereto in an Angleof 66, f ; as I fhewed you in the Sphere. — Fourthly, That the Axis of... | |
 | Tiberius Cavallo - 1803 - 490 pàgines
...the fun. • . The orbit of the moon is not in the fame plane •with the orbit of the earth, viz. in the plane of the ecliptic, but is inclined to it at an an^le of * The above-mentioned mean periodical month is the re• volution from a fixed point, with... | |
 | John Dougall - 1810 - 684 pàgines
...of the ecliptic docs not now coincide with the plane of the equator of the earth ; that is, the axis of the earth is not perpendicular to the plane of the ecliptic, being inclined to it in an angle which, in 1769, was ascertained, by accurate observations, to be 66°,... | |
 | John Hubbard Wilkins - 1822 - 158 pàgines
...does not coincide with the ecliptic, but makes an angle with it of 23-J-', that is, the earth's axis is not perpendicular to the plane of the ecliptic, but is inclined 23|°. (see PI. V. fig. 1.) Thus we have two great circles, the ecliptic and equator, passing through... | |
 | John Hubbard Wilkins - 1825 - 151 pàgines
...does not coincide with the ecliptic, but makes an angle with it of 23i°, that is, the earth's axis is not perpendicular to the plane of the ecliptic, but is inclined 23£°. (See PI. 5. fig. 1.) Thus we have two great circles, the ecliptic and equator, passing through... | |
 | Levi Washburn Leonard - 1827 - 398 pàgines
...ecliptic, but makes an angle with it of twenty-three degrees and twenty-eight minutes,, that is, the axis of the earth is not perpendicular to the plane of the ecliptic, but is inclined twenty-three degrees and twenty-eight minutes. Thus we have two great circles, the ecliptic and equator,... | |
 | John Hubbard Wilkins - 1829 - 202 pàgines
...does not coincide with the ecliptic, but makes an angle with it of 23£°, that is, the earth's axis is not perpendicular to the plane of the ecliptic, but is inclined 23£°. (See PI. V. fig. 1.) Thus we have two great circles, the ecliptic and equator, passing through... | |
 | Levi Washburn Leonard - 1830 - 350 pàgines
...ecliptic, but makes an angle with it of twenty-three degrees and twenty-eight minutes, that is, the axis of the earth is not perpendicular to the plane of the ecliptic, but is inclined twenty-tjiree degrees and twenty-eight minutes. Thus we have two great circles, the ecliptic and equator,... | |
 | 1834 - 438 pàgines
...traverses the whole of her orbit in 365 days, 6 hours, 9 minutes, which constitutes her year. The axis of the Earth is not perpendicular to the plane of the Ecliptic,] but inclined to it at an angle of 32° 28' : round this axis she revolves in 23 hours, 56 minutes, 4 seconds,... | |
 | 1836 - 422 pàgines
...planets, is an ellipse, but considerably more eccentric, and its plane does not coincide with that of the ecliptic, but is inclined to it at an angle of 5° 8' 48", which is called the inclination of the lunar orbit, and the two points where the moon's... | |
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... the axis of the earth is not perpendicular to the plane of the ecliptic, but is inclined twenty-three degrees and twenty-eight minutes. 
