Star-land; being talks with young people about the wonders of the heavens (1899)
Ball, Robert Stawell, Sir, 1840- [from old catalog] · Boston and London, Ginn & company · leaf 203
Fig. 3. Julv 29/1894, lOh. 07m. … Fii,. 4, Auk. 11 jLong.70°, Diaim lS^J. Seeing-J in LQ. Long. 338°. Diam. U.8. S< -■-•■■■ ! ___ Fig. 61. —Mars. (By Douglass, Lowell Observatory.) In the most favorable circumstances, Mars is at leastone hundred times as far from us as the moon. Butwe know that an object on the moon must be as…
Astronomy
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