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 395
ften sets apparently shroud-ed in a dense feature of this modification, and thisis a sure indication of a wet morning. TwAiN-cLOUD. The base of this modificationis generally flat, and lies on the surface of anatmospheric stratum, the superstructure resemblinga bulky stacken-cloud overhanging its… … It derives the other appellation, twain-doud, fromthe frequently visible coalescence of two othermodifications, as, for example, the curl-cloud andthe stacken-cloud. Its density is always muchgreater than the stacken-cloud. Cumulostratussometimes forms spontaneously, but is generallyproduced by the…
Astronomy
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