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12 Cards in this Set
- Front
- Back
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Electromagnetic radiation
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The energy transferred through space by electromagnetic waves
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Visible light
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Electromagnetic radiation that can be seen with the unaided eye
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Wavelength
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The distance between two corresponding parts of a wave, such as the distance between two crests.
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Frequency
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The number of complete waves that pass a given point in a certain amount of time.
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Spectrum
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The range of wavelengths of electromagnetic waves.
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Refracting telescope
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A telescope that uses convex lenses to gather and focus light
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Reflecting telescope
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A telescope that uses a curved mirror to collect and focus light
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Satellite photograph
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A picture of the land surface based on computer data collected from satellites
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Pixel
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One bit of a digitized image, often appearing as a small square or dot.
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Planetary image
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A picture of a planet taken in visible light or in another form of electromagnetic radiation.
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Spaceport
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A site for launching or receiving spacecraft.
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Space coast
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An area of Florida's Brevard County noted for the presence of the Kennedy space Center
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