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spinning of Earth on its imaginary axis, which takes about 23 hours and 56 minutes to complete and causes day and night to occur
either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length, dates are March 20, 21 in the spring and September 22, 23 in the fall
either of the two times of the year when the sun is at its greatest distance from the celestial equator, dates are june 21, 22 in the summer which is the longest and december 21, 22 in the winter which is the shortest
moon phase that occurs when the Moon is between Earth and the Sun, at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth
A phase of the moon coming after a new moon and before a 1st quarter moon that is a lit up crescent on the right
a phase of the moon that comes after a 1st quarter moon and before a full moon where almost all of the moon is lit up from the right to the left, except a small bit on the left.
a phase of the moon that comes after a full moon and before a last quarter moon where all of the moon is lit up except for a small bit on the right side of the moon that we can see.
We can see exactly 1/2 of the Moon's lighted surface, during the latter half of the night. (see left half)
phase of the moon that comes after a last quarter moon and before a new moon where only the left sliver of the moon is visible and has a crescent shape
occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth
the blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon
dark-colored, relatively flat regions of the Moon formed when ancient lava reached the surface and filled craters on the moon's surface
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