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4 Cards in this Set
- Front
- Back
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Telescope
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Optical device for viewing distant objects; there are 2 types: reflecting and refracting telescopes.
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objective lens
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or telescope, that gathers light from an object to form an image. |
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Optical Device
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Any device that uses light; for example mirrors, lenses, microscopes and telescopes. |
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photoreceptors
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eye. There are two types: rods and cones. |
