单词 | callisto |
释义 | Calliston. Astronomy. (The name of) the outermost, faintest, and second largest of the four Galilean satellites of Jupiter, having a radius of about 1500 miles (2400 km) and a heavily cratered surface.Before the mid 20th cent. more often called Jupiter IV. ΚΠ 1694 R. Blome tr. A. Le Grand Entire Body Philos. i. 148/2 Jupiter..hath four less Planets, as so many little Moons to be his Companions... Their special names are, the Jovial Saturn, Europa, Ganymedes, Calisto [L. Calisto]. 1867 W. Lockyer & J. N. Lockyer tr. A. Guillemin Heavens (ed. 2) ii. i. xvi. 232 Measured from the centre of the planet, the mean distances of these satellites are, of Io, 278,000 miles; of Europa, 443,000; of Ganymede, 707,000; and of Callisto, 1,243,000. 1929 M. Proctor Romance of Planets x. 162 The classical names of Io, Europa, Ganymede, and Callisto..are now generally replaced by the Nos. I, II, III, and IV in the order of their distance from the planet. 1962 Listener 26 July 135/2 There are..no less than twelve satellites [of Jupiter]. Four of these (Io, Europa, Ganymede, and Callisto) are visible with any small telescope. 2013 Sky at Night Apr. 53/1 A small scope will easily show the planet's..four brightest satellites—the Galilean moons, Io, Europa, Ganymede and Callisto. This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021). < n.1694 |
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