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5 Cards in this Set
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Day |
A period of twenty-four hours as a unit of time, reckoned from one midnight to the next, corresponding to a rotation of the earth on its axis.
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Year |
1. The time taken by a planet to make one revolution around the sun.
2. The period of 365 days (or 366 days in leap years) starting from the first of January, used for reckoning time in ordinary affairs. |
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Phase |
A distinct period or stage in a process of change or forming part of something's development.
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Eclipse |
An obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination.
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Tides |
The alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun.
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