Mattison, Hiram, 1811-1868 · New York, Huntington and Savage, Mason and Law · leaf 97
m of a carriage-wheel around the hub,except that there are no spokes in the case of Saturn to unite the center to the circum-ference. This defect, however, is perfectly supplied by the law of gravitation.] 413. What changes are seen to take place in the appearance ofthe Rings during the planets… … PRIMARY ASTRONOMY. 91 414. What other change has been noticed? For fifteen years the part of the rings toward usseems to be thrown up, while for the next fifteen it ap-pears to drop oelow the apparent center of the planet. TELESCOPIC PHASES OF THE RINGS OF SATURN. •« Jf <q»2>X [The cause of…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Novae coelestium terrestriumq[ue] rerum observationes : et fortasse hactenus non uulgatae (1646)](https://img.insideoutlibrary.com/img/200/ia-novaecoelestiumt00font-148-70.webp)
![An illustration from [Catalog] (1902)](https://img.insideoutlibrary.com/img/200/ia-catalog00geob-30-96.webp)
![An illustration from Novae coelestium terrestriumq[ue] rerum observationes : et fortasse hactenus non uulgatae (1646)](https://img.insideoutlibrary.com/img/200/ia-novaecoelestiumt00font-120-54.webp)