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Laboratory astronomy (1905)

Willson, Robert Wheeler, 1853-1922 · Boston, New York Ginn & company · leaf 177

An illustration from Laboratory astronomy, 1905, leaf 177
or + 2 .4 Equation of time + 3°-37 or 13.6 minutes to be added to apparent time. Geocentric Latitude.—The geocentric latitude j3 of the planet isthe angular distance of the planet from the ecliptic as seen from theearth. It is found by the same method as that used for finding theheliocentric… … Fig. 87. Geocentric Latitude The whole process of finding geocentric latitude and longitudeis illustrated in the following example : To find the positions of the five inner planets at Greenwichmean noon, July 6, 1907, the elapsed time from January 1,1900, being 2742 days (see page 167). 5 9 © d ■n…

Astronomy

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