The geography of the heavens, and class book of astronomy: (1849)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Dick, Thomas, 1774-1857. [from old catalog] · New York, Huntington & Savage · leaf 229
bserv-ing, that after the exposure of the luminous zone about thenorth pole to a summer of eight months, it was considerablydecreased, while that on the south pole, which had been intotal darkness during eight months, had considerably in-creased. He observed, farther, that when this spot was most… … The extraordinary height and density of the atmosphereof Mars, are supposed to be the cause of the remarkableredness of its light. It has been found by experiment, that when a beam ofwhile light passes through any colourless transparent me-dium, its colour inclines to red, in proportion to the…
Constellations · Stars
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