A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 60
hich we view them is is the true in advance of the mean ? When the reverse ? W7hen do theycoincide ? Wherein is the cut defective ? Where have we a true represen-tation ?) 94. Celestial latitude ? How reckoned ? 95. When is a planets apparent motion direct? Retrograde? When isa planet said to be… … 56 ASTRONOMY. changed, as we are carried rapidly through space with theearth, in her annual journey around the sun. 98. The portion of the ecliptic through which a planetseems to retrograde is called the Are of Retrogradation.The more remote the planet the less the arc, and thelonger the time of…
Astronomy
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