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Seasons one of four periods of a year Spring, Autumn, Summer, Winter.
Rotation The act of circling around an axis center
Revolution The movement of one object around another object.
Ellipse A closed plane point generated by a point.
Solstice When the sun reaches its highest point (Summer) or lowest (Winter)point in the sky at noon, marked by the longest and shortest days.
Equinox/Equator The time or date (twice a year) at which the sun crosses the celestial equator when day and night are of equal length (about sept. 22 and march 20)
Waxing The moon at any time after a new moon and before a full moon.
Waning The moon at any time after a full moon and before a new moon.
Gibbous A moon in between a half moon but less than a full moon.
Solar Eclipse An eclipse in which the sun is blocked by the moon.
Lunar Eclipse An eclipse in which the moon appears darkened as it appears as it passes into the earths shadow.
Created by: fh13096



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