The elements of theoretical and descriptive astronomy, for the use of colleges and academies (1872)
White, Charles J. (Charles Joyce), 1839-1917 · Philadelphia, Claxton, Remsen & Haffelfinger · leaf 152
is is that a lunar eclipse,when it does occur, is visible over an entire hemisphere, whilethe area within which a solar eclipse is visible is very muchmore limited. OCCTJLTATIONS. 164. An occultation of a planet or a star will occur wheneverthe planet or star is so situated in latitude as to allow… … Fig. 61. centre of the earth, P that of a planet, and M that of the moon.An occultation will occur when the moon comes between thetangent lines GB and AH. Let EC be the plane of the ecliptic.PEC is then the geocentric latitude of the planet, and MECthat of the moon. We have, PEC= PEG + GED + DEM+…
Astronomy
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