optical astronomy

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English[edit]

Noun[edit]

optical astronomy (usually uncountable, plural optical astronomies)

  1. (informal) Astronomy using observations using telescopes and recording media that capture visible light.
    • 1958 Sep 28, “Radio to Extend Astronomy's Ears”, New York Times:
      Radio astronomy is an extension of optical astronomy in the that it allows the observer to "see radiations of wave lengths far greater than those of visible light
    • 1966 Mar 11, Time Magazine:
      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.
    • 2006, Peter Schneider, Extragalactic astronomy and cosmology, page 25:
      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
    • 2009‎ ‎Jun 16, “Cosmic vision”, Frontline:
      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.
  2. (astronomy) Astronomy using infrared, visible, and/or ultraviolet wavelengths.

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