Lessons in astronomy including uranography. A brief intoductory course without mathematics (1896)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston, London, Ginn and company · leaf 184
nted by a grain §238] BELATIVE SIZE OF THE PLANETS. 173 of mustard seed on the circumference of a circle 164 feet in diameter forits orbit; Venus*, a pea, on a circle of 284 feet in diameter; the Earth,also a pea, on a circle of 430 feet; Mars, a rather large pins head, on acircle of 654 feet; the… … Fig. 47. — Relative Size of the Planets. of a mile ; Uranus, a full-sized cherry or small plum, upon a circumfer-ence of a circle more than a mile in diameter; and, finally, Neptune, agood-sized plum, on a circle about 2\ miles in diameter. We may add that, on this scale, the nearest star would be…
Astronomy
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