A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 425
rain. (At least, this is the appearance.) Fig.201 shows the manner in which thetail is thus supposed to be formed.1The researches of Bessel, Norton,and especially the late investiga-tions of the Russian Bredichin, haveshown that this theory — that thetail is composed of matter repelledby both the… … Fig. 201. Formation of a Comets Tail by Matterexpelled from the Head. The repelled particles are still subject to the suns gravitational attraction,and the effective force acting upon them is therefore the difference betweenthe gravitational attraction and the electrical (?) repulsion. This…
Astronomy
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