Term
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Definition
| a device that makes distant objects appear to be close |
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Term
| electromagnetic radiation |
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Definition
| energy that can travel through space in the form of waves |
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Term
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Definition
| electromagnetic radiation that can be seen with the unaided eye |
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Term
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Definition
| the range of wavelengths of electromagnic waves |
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Term
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Definition
| the distance between the crest of one wave and the crest of the next wave |
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Term
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Definition
| a telescope that uses lenses or mirrors to collect and focus visible light |
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Term
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Definition
| uses convex lens to gather and focus light |
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Term
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Definition
| a piece of transparent glass curved so that the middle is thicker than the edges |
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Term
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Definition
| uses a curved mirror to collect and focus light |
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Term
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Definition
| device used to detect radio waves from objects in space |
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Term
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Definition
| a building that contains one or more telescopes |
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