astronomy word list
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| astronomy | the science of the universe
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| axis | an imaginary line that a planet rotates on
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| rotation | when an object spin
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| revolution | 1 full rotation
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| orbit | the path one an object takes around another
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| tilt | something that is turned but not in a full rotation
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| solstice | when the day is shortest or longest
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| equinox | when day and night are the same time
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| phase | The change in the shape of the Moon, Mercury, and Venus due to how much of the sunlit side is facing the Earth.
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| eclipse | when one object in the sky is blocked by another
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| gravity | the force that gives objects weight
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| tide | the periodic rise and fall of the oceans
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| sattelite | a small object orbiting a larger one
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| telescope | an object used to see stars better
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| geocentric | Means earth in the center
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| heliocentric | considered as being seen from the center of the sun.
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| inner planet | any of the four planets closest to the sun
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| outer planet | any planets outside the orbit of Mars
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| comet | a small frozen mass of dust revolving around the sun
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| asteroid | A rock, or Minor Planet orbiting the Sun.
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| meteroid | any small object in space
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| constellation | A grouping of stars which have been given names by ancient astronomers because of the way they look.
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| galaxy | a group of stars
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| universe | all of space
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| milky way | our galaxy
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
mato9020
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