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 276
youngest starsas well as the oldest are red and the blue-white stars occupy amiddle position. This is not the place to present the forcefularguments brought to the support of each of these hypotheses,or to discuss their relative merits. I have mentioned themmerely to point out that one of the… … PLATE XLIV. The Pleiades. From a photograph by Sir Isaac Roberts, Dec. 8, 1888, exposure 4 hours. News from the Stars 167 to the brighter star in such a manner that after 15 years itreturns to its apparent starting point. The theory is that the• change is due to the motion of the two bodies in…
Astronomy
Internet Archive Book Images · Gerstein - University of Toronto · No known copyright restrictions (public domain). Free to use for anything.
