A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 96
e earth, PERPENDICULAR VIEW OF THE RINGS OF SATURN. and sometimes exactlytoward us; so that wenever see them perpen-dicularly, but alwayseither exactly edge-wise, or obliquely, asshown in the last figure.Were either pole of theplanet exactly towardus, we should then havea perpendicular view ofthe… … What periodic variation of expansion ? Of inclination ? When nearly in-visible ? 184. How are the rings situated with respect to the earth ? How wouldthey appear if either pole of Saturn were toward us ? 92 ASTKONOMY. plane of Ms orbit (122), which is very near the ecliptic(108); and as the rings…
Astronomy
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