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Across
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Light with the longest wavelength
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Another word for the number with 9 decimal places
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A large group of stars
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All types of light can be described as this
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When light waves are squeezed or stretched, you see a change in ____
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_____ law states that the farthest away galaxies are also moving the fastest
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The big ___ theory describes the origin of the universe
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True or false: The big bang theory was developed in the 1800's.
Down
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Another word for the number with 6 decimal places
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The ____ effect is how waves change as an object is moving.
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A _____ year is a unit of distance in space
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______ notation is another way to write large or small numbers
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Name for how light behaves as it moves away from the observer
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When sound waves are squeezed or stretched, you hear a change in ____
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Light with the highest energy
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The largest thing in our solar system