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Astronomical Cycles

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Across
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One revolution of a planet on its own axis
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have a progressively smaller part of the moon visible surface illuminated, so that it appears to decrease in size
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The name of our Sun
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When high tides are highest and low tides are lowest; occurs when the sun and moon are in line with the earth: _______ tide
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the phase of the moon in which its whole disc is illuminated (two words 4,4)
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have a progressively larger part of the moon visible surface illuminated, so that it appears to increase in size
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When the ocean is at its highest point: ______ tide
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an imaginary line about which a body rotates
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the alternate rising and falling of the sea
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The sloping angle that the earth rotates about at 23.5 degrees
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a regular oval shape
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the regularly repeated elliptical course of a celestial object or spacecraft about a star or planet
Down
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One orbit around the sun
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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.
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Natural satellites that orbit a planet
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The shortest or longest day of the year; when the earth is at its greatest tilt relative to the sun
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the force that attracts a body towards the centre of the earth, or towards any other physical body having mass
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When the earth or other celestial body is facing away from the sun
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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
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the time at which the moon is in conjunction with the sun, when it is not visible from the earth: _____ moon.
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the time it takes for a celestial body to rotate to the point where the sun is in the same position: _______ day