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The Perseus–Pegasus Filament is a galaxy filament containing the Perseus–Pisces Supercluster and stretching for roughly a billion light-years (or over 300/h Mpc). Currently, it is considered to be one of the largest known structures in the universe. [note 1] This filament is adjacent to the Pisces–Cetus Supercluster Complex. [1] [2]
Cellini's Perseus (1545–54), wearing the Cap of Invisibility and carrying the head of Medusa. In classical mythology, the Cap of Invisibility (Ἅϊδος κυνέη (H)aïdos kyneē in Greek, lit. dog-skin of Hades) is a helmet or cap that can turn the wearer invisible, [1] also known as the Cap of Hades or Helm of Hades. [2]
Medusa is the most well-known of the three mythological monsters, having been variously portrayed as a monster, a protective symbol, a rallying symbol for liberty, and a sympathetic victim of rape and/or a curse. The Gorgons are best known by their hair of living venomous snakes and ability to turn living creatures to stone.
The Pisces–Cetus Supercluster Complex is estimated to be about 1.0 billion light-years (Gly) long and 150 million light years (Mly) wide. It is one of the largest structures known in the observable universe, but is exceeded by the Sloan Great Wall (1.3 Gly), Clowes–Campusano LQG (2.0 Gly), U1.11 LQG (2.5 Gly), Huge-LQG (4.0 Gly), and Hercules–Corona Borealis Great Wall (10 Gly ...
Filament Date Mean distance Dimension Notes Coma Filament: The Coma Supercluster lies within the Coma Filament. [12] It forms part of the CfA2 Great Wall. [13] Perseus–Pegasus Filament: 1985 Connected to the Pisces–Cetus Supercluster, with the Perseus–Pisces Supercluster being a member of the filament. [14] Ursa Major Filament
The Perseus–Pisces Supercluster is one of two dominant concentrations of galaxies (the other being the Local supercluster) in the nearby universe (within 300 million light years). This supercluster also borders a prominent void, the Taurus Void, and is part of the Perseus–Pegasus Filament which stretches for roughly a billion light years. [1]
The transition was a development of Classical times which became the standard image during the Middle Ages and has been adopted by the European poets of the Renaissance and later: Giovanni Boccaccio's Genealogia deorum gentilium libri (10.27) identifies Pegasus as the steed of Perseus, and Pierre Corneille places Perseus upon Pegasus in ...
When Perseus beheaded her, Pegasus, a winged horse, and Chrysaor, a giant wielding a golden sword, sprang from her body. [ 14 ] Jane Ellen Harrison argues that "her potency only begins when her head is severed, and that potency resides in the head; she is in a word a mask with a body later appended... the basis of the Gorgoneion is a cultus ...