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Astronomy

Teacher: Diane Page
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Across
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Name of the U.S. space missions which took astronauts to the Moon
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Another way to classify electromagnetic radiation based on the number of wave occurring per second
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Type of powerful telescope which uses mirrors to "reflect" light
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(two words) Electrical and magnetic disturbances that travel through space
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(two words) These waves have the longest wavelength and lowest frequency
Down
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(two words) The classification of electromagnetic radiation according to its wavelength
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The distance between the peaks on a wave of radiation
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(two words) The wavelengths of electromagnetic radiation which are visible to the human eye
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Type of telescope which uses sets of lenses to bring visible light (objects) into focus
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Scientific study of the Sun, the Moon, and other celestial bodies
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(two words) These waves have the shortest wavelength and the highest frequency