| 单词 | sidereal |
| 释义 | sidereal adjective[before noun] physicsspecializeduk/saɪˈdɪə.ri.əl/us/saɪˈdɪr.i.əl/of orcalculatedby thestars 恒星的；根据恒星计算的Astronomy
Examplesofsiderealsidereal They have found that in every millennium the lastsiderealday is approximately one-thousandth of a second longer than the first. From theCambridge English Corpus We divide this unit of time - the so-calledsiderealday - into 24 hours, the hour into 60 minutes, the minute into 60 seconds. From theCambridge English Corpus Should we really consider two corresponding sections of the same scale as exactly equal to one another: twosiderealdays, for example, as exactly equal intervals of time? From theCambridge English Corpus It also fixed the number of days in each month, which previously varied by year with thesiderealzodiac. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.This approach has no effect upon those astrologers that utilize twelve equal sized ages based on thesiderealzodiac. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.This is because thesiderealzodiac is superimposed upon the irregular zodiacal constellation, and there are no unambiguous boundaries of the zodiacal constellations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Moon is said to have 27 (not 28) wives with whom he stays for one day in asidereallunar month. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It is 27.32158 days, very slightly shorter than thesiderealmonth (27.32166) days, because of precession of the equinoxes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The true position of these stars is only approximate to their theoretical equidistant rhumbs on thesiderealcompass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Although there are 28 days to asiderealmonth, by custom only 27 days are used, the last 28th day being considered unlucky. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.A mean solar day is, therefore, nearly 4 minutes longer than asiderealday. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.By convention, rotation periods of planets are given insiderealterms unless otherwise specified. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The satellite traces the same analemma once eachsiderealday. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The exact length has been variously defined either that of a solar day or of asiderealday. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Such an orbit relative to the stars is called asiderealyear. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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