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An introduction to astronomy (1916)

Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 347

An illustration from An introduction to astronomy, 1916, leaf 347
e of bright ring . 55,000 miles Center of Saturn to outer edge of bright ring . 73,000 miles Center of Saturn to inner edge of outer ring . 75,240 miles Center of Saturn to outer edge of outer ring . B6,300 miles The distance from the surface of Saturn to the inner edgeof the thin, faint ring,… … Fig. 116. — Saturn with rings tilted at greatest angle (drawing by Barnard). from its junction with the crape ring outward nearly to itsouter margin. At its brightest place it is as luminous as theplanet itself. Beyond the main bright ring there is a darkgap about 2200 miles across. It is known as…

Astronomy

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