"optical astronomy" meaning in All languages combined

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          "ref": "1958 September 28, “Radio to Extend Astronomy's Ears”, in New York Times",
          "text": "Radio astronomy is an extension of optical astronomy in that it allows the observer to \"see radiations of wave lengths far greater than those of visible light",
          "type": "quotation"
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        {
          "ref": "1966 March 11, “The Man on the Mountain”, in Time Magazine",
          "text": "Merely finding them in the first place — detecting their radio voices and photographing their odd and telltale light — was a cooperative triumph of radio and optical astronomy.",
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          "ref": "2006, Peter Schneider, Extragalactic astronomy and cosmology, page 25",
          "text": "Since for the atmospheric windows in the NIR one normally uses the same telescopes as for optical astronomy, we will thus not distinguish between these",
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        {
          "ref": "2009 June 16, “Cosmic vision”, in Frontline",
          "text": "Because each kind of light reveals different natural phenomena, we see only a part of nature. The same is true of telescopes. Optical telescopes detect only visible light. ... Dust is the bane of optical astronomy.",
          "type": "quotation"
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        "Astronomy using observations using telescopes and recording media that capture visible light."
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        "(informal) Astronomy using observations using telescopes and recording media that capture visible light."
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        "Astronomy using infrared, visible, and/or ultraviolet wavelengths."
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        "(astronomy) Astronomy using infrared, visible, and/or ultraviolet wavelengths."
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  "word": "optical astronomy"
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          "text": "Since for the atmospheric windows in the NIR one normally uses the same telescopes as for optical astronomy, we will thus not distinguish between these",
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        },
        {
          "ref": "2009 June 16, “Cosmic vision”, in Frontline",
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      "english": "scientists' term",
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