Sun symbol
A solar symbol is a symbol which symbolises the Sun. Solar symbols can have significance in psychoanalysis, symbolism, semiotics, astrology, religion, mythology, mysticism, divination, heraldry, and vexillology, among other fields. ... This is an ancient solar symbol featuring a circle with its center marked with a dot (☉). It is the astronomical and astrological symbol for the Sun, and the ancient Egyptian sign for "sun" or "Ra" in the hieroglyphic writing system. [Solar symbol. Wikipedia]