The wonders of the heavens, being a popular view of astronomy, including a full illustration of the mechanism of the heavens; embracing the sun, moon, and stars, with descriptions of the planets, comets, fixed stars, double stars, the constellations, the galaxy, or milky-way, the zodiacal light, aurora borealis, or norhtern lights, meteors, clouds, falling stars, aërolites, &c (1837)
Bradford, Duncan. [from old catalog] · Boston, American stationers company · leaf 208
hey may be con-sidered as moving eastward in the parallel linesA C and a c, and while in the semicircles D E Fand def, as both going westward in the parallelD F and df. When the ships are in the oppositesemicircles, ABC and c?e/, they may be consideredas moving in parallels, but in different… … The apparent diameter of Mars increases incoming from conjunction to opposition, and dimin-ishes in going from opposition to conjunction.Therefore, in the first instance Mars must beapproaching the earth, and in the second recedingfiom it. The variation of its apparent diameter isvery considerable.…
Astronomy
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