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4 Cards in this Set
- Front
- Back
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Telescope |
An instrument that collects electromagnetic radiation from the sky and concentrates it for better observation. |
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Refracting Telescope |
A telescope that uses a set of lenses and focus light from distant objects. |
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Reflecting Telescope |
A telescope that uses a curved mirror to gather and focus light from distant objects. |
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Electromagnetic Spectrum |
All of the frequencies or wavelengths of electromagnetic radiation. |
