A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 43
ard to Mars orJupiter, he would observe a corresponding diminution inthe suns magnitude, in proportion as the distance wasincreased. Hence the apparent magnitude must vary 56. How apparent magnitudes of heavenly bodies modified ? (Illustrateby diagram.) 57. Suppose a person to go to Mercury—what… … The above cut represents the relative apparent magni-tude of the sun, as seen from the different planets. Inangular measurements, its diameter would be as follows: From Mercury . 82J From Jupiter . 6 Venus . . 44^ Saturn . . • H Earth . . 32 Uranus • If Mars . . 21 Neptune . . 50 The Asteroids, say…
Astronomy
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