Astronomy, a handy manual for students and others (1918)
Dyson, Frank Watson, Sir, 1868-1939 · New York, E.P. Dutton & Co. · leaf 68
n much the same path as thecomets which appeared in 1531 and 1607. He con-cluded that these were the same comet; that thiscomet moves round the Sun in a very elliptic orbit,going to a distance of 33 times the Earths distancefrom the Sun; and that the comet takes about 75 THE LAW OF GRAVITATION 57… … Diag. XXIX. comparatively near the Earth. Halley predicted itsreturn for the year 1759. Before the reappearance ofthe comet, Clairaut, calculating the perturbing effectsof the planets it had encountered in its path, pre-dicted that the comet would be at the point of itsorbit nearest to the Sun or…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
