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Multi-word Results
| radio telescope |
a concave reflector or array of reflectors designed to collect and focus extraterrestrial radio waves for analysis. |
| reflecting telescope |
an optical telescope that uses mirrors rather than lenses to focus light rays. (Cf. refracting telescope.) |
| refracting telescope |
an optical telescope that uses lenses rather than mirrors to focus light rays. (Cf. reflecting telescope.) |
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