Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 89
s-ponding change in the dates when the mean and truesolar time agree. These points will be more fully explained in a subse-quent article, when we have discussed the subject ofthe earths orbit, and orbitual motion. CHAPTER VI. OF THE ANNUAL MOTION OF THE EARTH. 128. Suns Apparent Motion in… … north pole of the heavens ; and EQ, that of the celestial equator, and S, Sl,two positions of the sun north and south of the equator. Now, the sum Are the epochs when the mean and true solar time agree constant 7 Why not t Whati* the subject of Chapter VI? If the declination of the sun is measured…
Astronomy
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