Astronomy, as it is Known at the Present Day: With an Account of the Nature and Use of Astronomical Instruments, the Manner of Calculating the Notes of the Calendar, the Distances and Magnitudes of the Planets, and a Number of Other Useful and Interesting Calculations in AstronomyW. Cole, 1825 - 166 страница |
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Страница 9
... equator of the earth . 14. The Ecliptic is that great circle in the heavens , in which the earth performs its annual revolution round the sun ; half of it being on the north side of the equinoctial , and the other on the south . 15. The ...
... equator of the earth . 14. The Ecliptic is that great circle in the heavens , in which the earth performs its annual revolution round the sun ; half of it being on the north side of the equinoctial , and the other on the south . 15. The ...
Страница 28
... equator . For Mr. Richer in a voyage to Cayenne , near the equator , found that it was absolutely necessary to shorten the pendu- lum of his clock about one - eleventh part of a Paris inch , in order to make it vibrate in the same time ...
... equator . For Mr. Richer in a voyage to Cayenne , near the equator , found that it was absolutely necessary to shorten the pendu- lum of his clock about one - eleventh part of a Paris inch , in order to make it vibrate in the same time ...
Страница 30
... equator is 24,896 · 16 miles , which is about 40 miles greater than the preceding . The mean dia- meter of the earth is therefore 7910 nearly , and the length of one de- gree 69 English miles . OF MARS . In larger circuit rolls the orb ...
... equator is 24,896 · 16 miles , which is about 40 miles greater than the preceding . The mean dia- meter of the earth is therefore 7910 nearly , and the length of one de- gree 69 English miles . OF MARS . In larger circuit rolls the orb ...
Страница 35
... equator of the planet more quickly than those nearer the poles . This is , perhaps , on account of the greater heat of the sun near the equator than the poles ; the equator being parallel to the belts and course of the spots . On some ...
... equator of the planet more quickly than those nearer the poles . This is , perhaps , on account of the greater heat of the sun near the equator than the poles ; the equator being parallel to the belts and course of the spots . On some ...
Страница 36
... equator , where the motion is quickest . The axis of Jupiter is so nearly perpendicular to his orbit , that he has no sensible change of seasons , which is very wisely ordered by the Author of Nature ; for if this were not the case ...
... equator , where the motion is quickest . The axis of Jupiter is so nearly perpendicular to his orbit , that he has no sensible change of seasons , which is very wisely ordered by the Author of Nature ; for if this were not the case ...
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Astronomy, as It Is Known at the Present Day (Classic Reprint) George G. Carey Приказ није доступан - 2018 |
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altitude angle appear ascertained astronomers atmosphere Aurora Borealis axis calculations called centre circle clouds colours Comets constellation degrees density diameter direction disc discovered diurnal motion Dominical letter earth's orbit eccentric anomaly eclipse equal equator equinox fixed stars following figure glass globe gravity greater greatest heat heavenly bodies heavens height Hence Herschel horizon inferior conjunction Julius Cæsar Jupiter known latitude length light longitude luminous lunar magnitude mean distance Mercury meridian miles minutes moon moon's move nearly night object obliquity observed occasioned opposite parallax passing period phenomena philosophers poles produced Ptolemy quantity of matter rainbow rays refraction retrograde motion revolution round revolve right ascension rise round the earth round the sun satellites Saturn seen shadow shines sidereal solar spherical sun and moon sun's supposed surface telescope tides tion Tycho Tychonic systems Uranus velocity Venus visible
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