A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 221
the surface of the earth. Prof. Nortonthinks that the tail is formed by two streams, in opposite magnetic orelectric states, expelled from opposite points, or poles, of the nucleus,and bent back by the suns repulsive force until they nearly meet, beingseparated by only a narrow interval, which… … 216 COMETS. REMARKABLE COMETS. 320. Comet of 1680.—This was the comet that Newtonsubjected to the calculations by which he showed that these Fig. in. bodies revolve in one of the conicsections, and thatthey are retainedin their orbits bythe same forcethat binds theplanets to thesun. It was…
Astronomy
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