Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 318
hundred million miles from the sun. Its tail wasa hundred and twenty million miles in length, and severalmillion miles through. It has been calculated that its aphelionpoint is about two hundred times as far from the sun as itsperihelion point, or some seven times the distance of Neptunefrom the… … 297. Halleys Coitiet. — Halley:s comet has become one ofthe most celebrated of modern times. It is the first cometwhose return was both predicted and observed. It made itsappearance in 1682. Halley computed its orbit, and comparedit with those of previous comets, whose orbits he also com-puted from…
Astronomy
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