Proctor, Richard A. (Richard Anthony), 1837-1888 · New York, A.C. Armstrong and son · leaf 199
rue pose of theplanet in 1877 is shown in the figure, his southernpole being somewhat bowed towards the earth. This is THE PLANET MARS, 1S7 the uppermost pole; for the figure represents the planetand his satellites orbits as they would appear in an as-tronomical telescope, which inverts objects.… … Fi^- 23.—Mars and the paths of the Martian satelUtes as at present situated. Nor is it easy to determine, from their lustre, or ratherfrom their faintness, their true dimensions; for we can-not compare them directly in this respect with objects ofknown size, because their visibility is partly…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
