The geography of the heavens, and class book of astronomy: (1853)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, Dick, Thomas, 1774-1857. [from old catalog] · New York, F. J. Huntington [etc.] · leaf 265
e fantasies, however, been confined to thedarker ages . Of what event was the comet of 1811 considered, in our country, to be theharbinger ? COMKTS. 259 Moon. The envelope, or aeriform covering, surroundingthe nucleus, was 24,000 miles thick, about five hundred timesas thick as the atmosphere which… … This comet moved, in us perihelion, with an almost inconceivable velocity—fifteen hundred times greater than that of a ball burstins from the mouth of acannon. According to Regiomontanus, the comet of 1472 moved over an arcof 120° in one day. Brydone observed a comet at Palermo in 1770, which…
Constellations · Stars
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