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 80
sult-ing from the action of a continuous force which meets with n< >sensible resistance. In Plate XI are reproductions of photographs of Halleyscomet made by Curtis on June 6 and June 7, 1910. A semi-detached part of the tail, seen on the photograph of June 6about an inch atove the head, is… … ,\ \ \ 1\ ^^ ^^ l|p\^ ^M ^P x_\ X ^- ^^ R\^. \ -Jj R\ 1 RI-I-. 1 I X |,x ^ H 1 J 1 \^^ x\ 4 1 > \ \ 1 PLATE IX. Comet Rori.ame on July 12 and Tcly 13, 1893. Photographs by JV. J. Hiissey.The camera followed the nucleus of the comet, and the star.s trailed. \\iiAT We Know Ar.oux Cu.mets 41 -L…
Astronomy
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