A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1853)
Mattison, Hiram, 1811-1868 · New York, F. J. Huntingdon [etc.] · leaf 128
note at 178.) By watch-ing them for a few evenings,they will be seen to changetheir places, and to occupy dif-ferent positions. At times,only one or two may be seen,as the others are either betweenthe observer and the planet, orbeyond the primary, or eclipsedby his shadow. 2G4. The size of these… … 4th. COMPARATIVE DISTANCES OF JUPITER S MOONS. 3d. 2d 1st
Astronomy
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