The geography of the heavens, and class-book of astronomy: accompanied by a celestial atlas (1873)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, ed, Whitall, Henry, 1819-1887? Celestial planisphere · New York, Sheldon & company · leaf 189
hat of the Earth is 65,533 miles ; the differ-ence, 39,797 miles, is the mean relative motion of Mercury, withrespect to the Earth. The sidereal revolution of Mercury is S7d. 23h. 15m. 44s. Its synodical revolution if hnd the Earth? 354. What is a sidereal revolution of a planet? A synodicaU855.… … THE PRIMARY PLANETS MERCURY AND VENUS. 183 found by dividing the whc te circumference of 360° by its relative motion in respect to theEarth. Thus, the mean daily motion of Mercury is 14732.555; that of the Earth ia8543.318 ; and their difference is 11184.237, being Mercurys relative motion, or what…
Constellations · Stars
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