 Sun Fact Sheet by National Aeronautics and Space Administration (source code)

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= Sun Fact Sheet by National Aeronautics and Space Administration
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https://nssdc.gsfc.nasa.gov/planetary/factsheet/sunfact.html

Sun Observational Parameters: the apparent diameter at one astronomical unit is 1919 arcseconds. The page credits NASA and is used for an external illustrative angular size, not an assumed exam-handbook value.

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