See also: ʘ [U+0298 LATIN LETTER BILABIAL CLICK]
The outer circle represents a shield, while some believe the inner circle represents a sunspot.
- (astronomy, astrology) Sol, the Sun. Often used to represent solar mass.
- (alchemy) Platinum and gold dominated by Sol.
- ^ “Solar System Symbols”, in Solar System Exploration, NASA and the Planetary Institute, January 30, 2018, retrieved November 3, 2019: “The astronomical symbol for the Sun is a shield with a circle inside. Some believe this inner circle, or "boss" represents a central sun spot.”