| 释义 |
Definition of lunar day in English: lunar daynoun The interval of time between two successive crossings of the meridian by the moon (roughly 24 hours and 50 minutes). Example sentencesExamples - Based on lunar day of 24 hrs 50 minutes, will provide accurate indication of tide cycle.
- The moon's orbit, and hence the tidal bulges, are tilted relative to the earths equator, resulting in the 2 high waters per lunar day not being equal to each other.
- The length of the lunar day is thus identical to the length of its revolution around Earth.
- The lunar day is 50 minutes longer than a solar day because the moon revolves around the Earth in the same direction that the Earth rotates around its axis.
- Thus their ‘day’ would not be based on the movement of the Sun, a 24-hour cycle, but rather a lunar day, lasting 24 hours and 50 minutes.
Definition of lunar day in US English: lunar daynounˈlunər deɪ The interval of time between two successive crossings of the meridian by the moon (roughly 24 hours and 50 minutes). Example sentencesExamples - The lunar day is 50 minutes longer than a solar day because the moon revolves around the Earth in the same direction that the Earth rotates around its axis.
- Based on lunar day of 24 hrs 50 minutes, will provide accurate indication of tide cycle.
- The length of the lunar day is thus identical to the length of its revolution around Earth.
- The moon's orbit, and hence the tidal bulges, are tilted relative to the earths equator, resulting in the 2 high waters per lunar day not being equal to each other.
- Thus their ‘day’ would not be based on the movement of the Sun, a 24-hour cycle, but rather a lunar day, lasting 24 hours and 50 minutes.
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