The Adolfo Stahl lectures in astronomy, delivered in San Francisco, California, in 1916-17 and 1917-18, under the auspices of the Astronomical Society of the Pacific (1919)
Astronomical Society of the Pacific, Aitken, Robert Grant, 1864-1951 · San Francisco Stanford University Press · leaf 45
unand the planet, eclipsing a small area of the planets surface,that area looks black, but this may be in part a contrast effect. We should call attention to the flattened forms of Jupiter andSaturn. The rotation of the Earth once in about twenty-fourhours has caused the equatorial regions to be… … Fig. 1 —Photographs of Saturn, Nov. 19, 1911, 60-inch reflector (100-footfocus) of the Solar Observatory. Direct enlargement exposures byE. E. Barnard.
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
