Archimedean spiral
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The Archimedean spiral is a spiral named after the 3rd-century BC Greek mathematician Archimedes. The term Archimedean spiral is sometimes used to refer to the more general class of spirals of this ty
Atacama Large Millimeter Array image of LL Pegasi
Triskelion
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A triskelion, or triskeles, is an ancient motif consisting either of a triple spiral exhibiting rotational symmetry or of other patterns in triplicate that emanate from a common center. The spiral des
Archimedean spiral
…List of spirals Triple spiral symbol – Symbol with three-fold rotational symmetry Jonathan Matt making the Archimedean spiral interesting - Video : The surprising beauty of Mathematics…
5,000 year-old triskelion on an orthostat at Newgrange
Silver Drachma from Sicily, minted during the reign of Agathocles (361–289 BCE), Greek tyrant of Syracuse (317–289 BCE) and king of Sicily (304–289 BCE). Inscription: ΣΥΡΑΚΟΣΙΩΝ (Syrakosion) Laureate head of the youthful Ares to left; behind, Palladion. Reverse: Triskeles of three human legs with winged feet; at the center, Gorgoneion
Triskelion of Sicily on vase of the late 7th century BCE
Late Helladic (14th century BCE) beaked jug decorated with triple spirals