网站首页  汉语  德语  英语

请输入您要查询的英文单词:

 

单词 sidereal month
释义

Definition of sidereal month in English:

sidereal month

noun
Astronomy
  • The time it takes the moon to orbit once around the earth with respect to the stars (approximately 271/4 days).

    〔天文〕恒星月

    Example sentencesExamples
    • During the sidereal months of Sagittarius and Capricorn, the Sun is nearest to the earth.
    • There are on average about 13.37 sidereal months in a tropical year.
    • In different Indian lunisolar calendars the lunar month is used, mixed with the sidereal month.
    • Thus, a lunar month is longer than a sidereal month by about 1/12 th of a month, or two-and-a-half days roughly.
    • How would the synodic and sidereal months differ if the moon orbited the Earth in the opposite direction?

Definition of sidereal month in US English:

sidereal month

noun
Astronomy
  • The time it takes the moon to orbit once around the earth with respect to the stars (approximately 271/4 days).

    〔天文〕恒星月

    Example sentencesExamples
    • During the sidereal months of Sagittarius and Capricorn, the Sun is nearest to the earth.
    • In different Indian lunisolar calendars the lunar month is used, mixed with the sidereal month.
    • How would the synodic and sidereal months differ if the moon orbited the Earth in the opposite direction?
    • There are on average about 13.37 sidereal months in a tropical year.
    • Thus, a lunar month is longer than a sidereal month by about 1/12 th of a month, or two-and-a-half days roughly.
随便看

 

雅致网英汉双解词典包含236457条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。

 

Copyright © 2002-2024 53pku.com All Rights Reserved
更新时间:2025/6/18 18:29:59