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| a device that makes distant objects appear to be closer. |
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| energy that can travel through space in the form of waves. |
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| the distance between the crest of one wve and the crest of the next wave. |
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| if you shine a white light through a prism, the light spreads out to make a range of dofferent colors with different wave lengths. |
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| usues lenses or mirrors to collect and focus visible light. |
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| uses convex lense to gather or fucus light. |
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| uses a curved mirror to collect and focus light. |
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| devices used to detect radio waves from objects in space. |
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| a building hat contains one or mire telesciopes. |
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