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 265
Fig. 269. the planet is about six thousand miles, and from the surfaceless than four thousand. Astronomers on Mars, with tele-scopes and eyes like ours, could readily find out whether … Fig. 270. this satellite is inhabited, the distance being less than one-sixtieth of that of our moon. It will be seen that Phobos makes about three revolutions ASTRONOMY. 24.I to one rotation of the planet. It will, of course, rise in thewest; though the sun, the stars, and the other satellite…
Astronomy
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