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For example, the Sun and Moon both have angular diameters of about 30 arcminutes—when seen from Earth.
- "List of Geometry and Trigonometry Symbols" (in en-US). 2020-04-17. https://mathvault.ca/hub/higher-math/math-symbols/geometry-trigonometry-symbols/.
- Weisstein, Eric W.. "Arc Minute" (in en). https://mathworld.wolfram.com/ArcMinute.html.
- "Arcminute | COSMOS". https://astronomy.swin.edu.au/cosmos/A/Arcminute.