| NOUN | artifact | optical telescope | an astronomical telescope designed to collect and record light from cosmic sources |
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| Meaning | An astronomical telescope designed to collect and record light from cosmic sources. | |
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| Parts | eyepiece, ocular | combination of lenses at the viewing end of optical instruments |
| objective, objective lens, object lens, object glass | The lens or system of lenses in a telescope or microscope that is nearest the object being viewed | |
| Narrower | reflecting telescope, reflector | optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece |
| refracting telescope | optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece | |
| Broader | astronomical telescope | Any telescope designed to collect and record electromagnetic radiation from cosmic sources |
| Spanish | telescopio óptico | |
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