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A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)

Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 87

An illustration from A high-school astronomy: in which the descriptive, physical, and practical are combined .., 1859, leaf 87
position. Allowing the world tohave stood at this date (1853) 5,857 years, the equinoxeshave receded already through about 75° of longitude.At the same time the constellations have gone forward How much in angular measurement? Revolving which way? At whatrate? How long for 1°? For 30°? For the… … eastward, and left the signs which bear their names.Hence the sign Aries actually covers the constellation Pisces, ■* 162. Another effect of the recession of the equinoxesis, that it gives to the pole of the earth a correspondingrevolution around thepole of the ecliptic in25,868 years. Let the line…

Astronomy

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