| 词汇 | astronomical-unit |
| 释义 | BETA astronomical unitcollocation in Englishmeanings of astronomicaland unitThese words are often used together. Click on the links below to explore the meanings. astronomical adjective uk /ˌæs.trəˈnɒm.ɪ.kəl/ us /ˌæs.trəˈnɑː.mɪ.kəl/ connected ... See more at astronomical unit noun uk /ˈjuː.nɪt/ us /ˈjuː.nɪt/ a single thing or a separate part of ... See more at unit Examples of astronomical unitastronomical unit Since we are talking about astronomical observations, it is convenient to use the astronomicalunit of apparent brightness which is the magnitude. This has led to calls to abandon the astronomicalunit as a unit of measurement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The measurements of the secular variations of the astronomicalunit are not confirmed by other authors and are quite controversial. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. If viewed from a distance of 1 astronomicalunit, it would span an angular diameter of 35 and shine at magnitude 38. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The name astronomicalunit appears first to have been used in 1903. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Depending on the value assumed for the astronomicalunit, this yields the speed of light as just a little more than 300,000 kilometres per second. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At its core is a shield world, contained within slipstream space, that is approximately one astronomicalunit in diameter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A particle of negligible mass, that orbits a body of 1 solar mass in this period, has a mean axis for its orbit of 1 astronomicalunit by definition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Aten was the first asteroid found to have a semi-major orbital axis of less than one astronomicalunit. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The gap between the two rings is 3 astronomical units. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These two components are more than 500 astronomical units apart, with an estimated orbital period of approximately 3600 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Using the stellar mass and period, he calculated semimajor axis as 0.911 astronomical units. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The inner ring extends from a distance of 1.5 to 2 astronomical units from the barycenter of the central binary. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At its closest, it is only 0.26 astronomical units away from the sun, having the 32nd closest perihelion of any minor planet. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The two stars are 0.68 arcseconds, or at least 12 astronomical units, apart and complete one orbit every 33.99 years. 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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