An introduction to astronomy : designed as a text book for the students of Yale College (1846)
Olmsted, Denison, 1791-1859, Yale College (1718-1887) · New York : Collins, Brother & Co. · leaf 66
ost rapidly when nearest the perihelion, andslowest when furthest from that point. 105. The inequality of the solar days depends on two causes, theunequal motion of the earth in its orbit, and the inclination of theequator to the ecliptic. First, on account of the eccentricity* of the earths orbit,… … AEB (Fig. 11,) represent the earths orbit, S being the place of * The exact figure of the earths orbit will be more particularly shown hereafter.All that the student requires to know, in order to understand the present subject, c 42 THE EARTH. the sun, A the perihelion, or nearest distance of the…
Astronomy
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