A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 178
what seem to be the outlines ofcontinents and seas, the former appearing of a ruddy ororange color, and the latter of a dusky greenish or bluishtint. 243. Brilliant white spots are also seen alternately at thepoles, produced, as it is conjectured, by accumulations ofice and snow during the long… … NORTHERN AND SOUTHERN HEMISPHERES OF MARS.—Mddler. a. With the exception of the moon, no body has been submitted tosuch a careful telescopic scrutiny as Mars. The utmost assiduity hasbeen exercised particularly by Messrs. Beer and Madler in theseresearches, which were commenced by them in 1830, and…
Astronomy
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