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axis

the imaginary line through the center of an object

constellation

A group of stars that form a pattern in the sky

crescent

the phase of the moon when a thin part of hte moon's near side is sunlight

equator

an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles

full moon

phase of the moon that occurs when all of the Moon's near side is sunlight

new moon

phase of the moon when the moon near side receives no sunlight

phases of the moon

changes in the moon's appearance as seen from earth throughout the month

quarter moon

the phase of the moon when half fo the moon near side is sunlight

revolve

to move in a path around another object

rotate

to turn on an axis

season

one of the four parts of the year; spring, summer, fall and winter

star

a ball of hot gas that gives off light and other forms of energy

waning moon

the phases of the moon when a decreasing amount of the moon's near side is sunlight

waxing moon

the phases of the moon when a increasing amount of the moon's near side is sunlight

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