Lessons in astronomy including uranography. A brief intoductory course without mathematics (1896)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston, London, Ginn and company · leaf 199
be no doubt that the main features ofthe planets surface are substantially correct. The nomenclature,however, is in a very unsettled state. Schiaparelli has taken hisnames mostly from ancient geography, while the English areogra-phers,1 following the analogy of the lunar maps, have mainly used… … § 258] HABITABILITY OF MARS. 189 258. Satellites. — The planet has two satellites, discoveredby Professor Hall, at Washington, in 1877. They are ex-tremely small; and observable only with very large telescopes.The outer one, Deirnos, is at a distance of 14,600 miles fromthe planets centre, and has…
Astronomy
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