The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 318
undred million miles from the sun. Its t.ail 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… … Fig. 325. 297. Halley^s Comet. — Halleys 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…
Astronomy
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