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MPMS Space

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Eclipse   The partial or total blocking of light of one celestial object by another.  
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Equator   An imaginary line forming a great circle around the Earth’s surface that divides Earth into northern and southern hemispheres  
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Hemisphere   Either the northern or southern half of the Earth as divided by the equator, or the eastern of western half as divided by a meridian, especially the prime meridian  
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Phases   Any of the forms, recurring in cycles, in which the moon or a planet appears in the sky.  
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Revolution   The motion of an object around a point, especially around another object or a center of mass.  
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Rotation   The motion of an object around an internal axis  
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Seasons   A period of an object around an internal axis  
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Solstice   When one hemisphere gets its maximum area of sunlight, while the other hemisphere gets its minimum amount  
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Solstice   the time of year when days are either longest or shortest, and the angle of sunlight reaches its maximum or minimum  
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Equinox   When sunlight shines equally on the Northern Hemisphere and the Southern Hemisphere; a time of year when daylight and darkness are nearly equal for most of Earth  
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Tides   The regular rising and falling of Earth’s surface waters twice a tidal day as a result of the Moon’s and Sun’s gravitational attraction.  
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Waxing   Increasing  
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Waning   Decreasing  
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Created by: lanktish
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