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 95
g-. 4), two of which have disappeared, andthe other two, of relatively long periods, which may neverreturn, we express the prevailing opinion of astronomers insaying that the meteor streams have actually resulted fromthe disintegration of the four comets. Alexander Herschelhas prepared a list of… … Fig. 2—(a) Ordinary photograph of Comet Morehouse, (b) Spectrumphotograph of Comet Morehouse made at same time as (a), (c)Fowlers spectrum of carbon monoxide, whose principal bandsmatcli the principal spectrum images of the comets tail. PLATE XII. What We Know About Comets 49 facts. It is…
Astronomy
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