Astronomy for schools; upon the basis of Mons. Arago's lectures at the Royal observatory of Paris .. (1841)
Arago, F. (François), 1786-1853, Haskins, Roswell William, [from old catalog] ed · New York, Robinson, Pratt & co.; · leaf 146
esesatellites, which leaves room to suspect that anotherbody, yet undiscovered, revolves there. Such a voidwas long supposed to exist between the orbits, of marsand jupiter, which was filled, at the beginning of thepresent century, by the discovery of the telescopickplanets, which satisfied the law… … These rings are concentrick; very broad, and thin;both lying in the same plane, and that the plane of theequator of the planet. To this body they constitute akind of zone, or band, although separated from thesurface of the planet by a space of many thousands ofmiles, upon every side. Viewed from…
Astronomy
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