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Astronomical Cycles

Across
One revolution of a planet on its own axis
have a progressively smaller part of the moon visible surface illuminated, so that it appears to decrease in size
The name of our Sun
When high tides are highest and low tides are lowest; occurs when the sun and moon are in line with the earth: _______ tide
the phase of the moon in which its whole disc is illuminated (two words 4,4)
have a progressively larger part of the moon visible surface illuminated, so that it appears to increase in size
When the ocean is at its highest point: ______ tide
an imaginary line about which a body rotates
the alternate rising and falling of the sea
The sloping angle that the earth rotates about at 23.5 degrees
a regular oval shape
the regularly repeated elliptical course of a celestial object or spacecraft about a star or planet
Down
One orbit around the sun
When high tides are at their lowest and low tides are at their highest; occurs when the sun and moon are at right angles to the earth: _____ tide.
Natural satellites that orbit a planet
The shortest or longest day of the year; when the earth is at its greatest tilt relative to the sun
the force that attracts a body towards the centre of the earth, or towards any other physical body having mass
When the earth or other celestial body is facing away from the sun
When the day and night are equal length for the entire planet; when the sun is directly overhead on the equator; when the earth has no tilt relative to the sun
the time at which the moon is in conjunction with the sun, when it is not visible from the earth: _____ moon.
the time it takes for a celestial body to rotate to the point where the sun is in the same position: _______ day