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| a device that makes distant objects appear to be closer. |
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| engery that can travel through space in the form of waves. |
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| the distance between the crest of one wave and the crest of the next. |
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| light spreads out to make a range of diffrent colors with diffrent wavelengths |
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| telescope that uses or mirrors to collect and focus visible light |
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| A telescope in which light from an object is gathered and focused by lenses, with the resulting image magnified by the eyepiece. |
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| a thick centered lens that focuses light to a point. |
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| A telescope in which light from the object is gathered and focused by a concave mirror, with the resulting image magnified by the eyepiece |
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| A device used in radio astronomy for detecting and recording radio waves coming from stars and other celestial objects, consisting of a radio receiver with an antenna fixed on a wide bowl-shaped reflector that collects the waves |
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| A building, place, or institution designed and equipped for making observations of astronomical, meteorological, or other natural phenomena |
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