Evershed, M. A. (Orr) · London : Gall & Inglis · leaf 182
ther periodical irregularity to those already known.Perhaps his feelings were somewhat mixed when thishappened, his pride and pleasure in his importantdiscovery being counter-balanced by the consciousnessthat it would still further complicate his lunar theory.Our satellite is acted upon by… … Fig. 33. Apparent Variation in the Size of the Sun. [To face p U6 Two half pliotogiaplis of the Sun, taken at Kodaikanal Observatory. The smaller wastaken two days before apogee, the larger on the day of perigee. PTOLEMY. 147 paratively near. Ptolemys discovery was a differencein her speed at full…
Dante Alighieri, 1265-1321 · Astronomy
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