Concept information
Preferred term
Astronomical seeing
Definition
- A measure of the blurring and degradation of the image of astronomical objects caused by turbulence in the Earth's atmosphere, including the telescope environment. Seeing causes the images of stars to break up into speckle patterns, which change very rapidly with time. (en)
Broader concept
- Astronomical optics (en)
Entry terms
- Dome seeing (en)
URI
http://astrothesaurus.org/uat/92
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