Astronomy. A term used by Sir William Herschel to denote a method of surveying the heavens in sections (see quots. and cf. sweep, v. 21); also, one…
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释义 | the world > the universe > cosmology > science of observation > [noun] > sweep (3) sweep1784 Astronomy. A term used by Sir William Herschel to denote a method of surveying the heavens in sections (see quots. and cf. sweep, v. 21); also, one… sweeping1786 The action of sweep, v. Astronomy: see sweep, v. 21. zenith sweep1790 a linear series of observations of a region of the sky passing through the zenith (cf. sweep, n. 7). |
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