Term
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Definition
| A device built to observe distant objects by making them appear closer. |
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Term
| Electromagnetic Radiation |
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Definition
| Energy that travels 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 distance between the crest of one wave and the crest of the next wave. |
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Term
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Definition
| The range of wavelengths of electromagnetic waves. |
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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
| A telescope that uses convex lenses to gather and focus light. |
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Term
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Definition
| A telescope that uses a curved mirror to collect 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
| A 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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