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 251
re set in motion whichin part mask the direct solar action in the temperate zones.The Sun being more nearly overhead in the equatorial regions,the influence of increased radiation is there more quickly felt,the temperature of the atmosphere is increased and theabnormally heated air rises and… … PLATE XXXIX.Combined Photographs of Prominences and Flocculi. Solar Observatory Pliotographs. Our Nearest Star, the Sun 151 general at sun-spot maximum than at minimum, though thesolar radiation is greater at sun-spot maximum. The observedlowering in temperature is about one degree Fahrenheit…
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
