Pisces: Difference between revisions

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 [[Messier 74]] is a loosely-wound (type Sc) spiral galaxy in Pisces, found at a distance of 30 million light years (redshift 0.0022). It has many clusters of young stars and the associated nebulae, showing extensive regions of star formation. It was discovered by Pierre Méchain, a French astronomer, in 1780. A type II-P supernova was discovered in the outer regions of M74 by Robert Evans in June 2003; the star that underwent the supernova was later identified as a red supergiant with a mass of 8 solar masses.
+==History and Mythology==
+Pisces originates from some composition of the Babylonian constellations Šinunutu4 "the great swallow" in current western Pisces, and Anunitum the Lady of the Heaven, at the place of the northern fish. In the first Millennium BC texts known as the Astronomical Diaries, part of the constellation was also called DU.NU.NU (Rikis-nu.mi, "the fish cord or ribbon").
+Pisces is associated with Aphrodite and Eros, who escaped from the monster Typhon by leaping into the sea and transforming themselves into fish.[3] In order not to lose each other, they tied themselves together with rope. The Romans adopted the Greek legend, with Venus and Cupid acting as the counterparts for Aphrodite and Eros. The knot of the rope is marked by Alpha Piscium (α Psc), also called Al-Rischa ("the cord" in Arabic).
+In 1690, the astronomer Johannes Hevelius in his Firmamentum Sobiescianum regarded the constellation Pisces as being composed of four subdivisions:
+* Piscis Boreus (the North Fish): σ – 68 – 65 – 67 – ψ1 – ψ2 – ψ3 – χ – φ – υ – 91 – τ – 82 – 78
+* Psc.Linum Boreum (the North Cord):[5] χ – ρ,94 – VX(97) – η – π – ο – α
+* Psc.Linum Austrinum (the South Cord):[5] α – ξ – ν – μ – ζ – ε – δ – 41 – 35 – ω
+* Psc.Piscis Austrinus (the South Fish):[5] ω – ι – θ – 7 – β – 5 – κ,9 – λ – TX(19) Psc.
-Pisces originates from some composition of the Babylonian constellations Šinunutu4 "the great swallow" in current western Pisces, and Anunitum the Lady of the Heaven, at the place of the northern fish. In the first Millennium BC texts known as the Astronomical Diaries, part of the constellation was also called DU.NU.NU (Rikis-nu.mi, "the fish cord or ribbon").[2]
-Pisces is associated with Aphrodite and Eros, who escaped from the monster Typhon by leaping into the sea and transforming themselves into fish.[3] In order not to lose each other, they tied themselves together with rope. The Romans adopted the Greek legend, with Venus and Cupid acting as the counterparts for Aphrodite and Eros. The knot of the rope is marked by Alpha Piscium (α Psc), also called Al-Rischa ("the cord" in Arabic).[4]
-In 1690, the astronomer Johannes Hevelius in his Firmamentum Sobiescianum regarded the constellation Pisces as being composed of four subdivisions:[5]
-Piscis Boreus (the North Fish): σ – 68 – 65 – 67 – ψ1 – ψ2 – ψ3 – χ – φ – υ – 91 – τ – 82 – 78 Psc.Linum Boreum (the North Cord):[5] χ – ρ,94 – VX(97) – η – π – ο – α Psc.Linum Austrinum (the South Cord):[5] α – ξ – ν – μ – ζ – ε – δ – 41 – 35 – ω Psc.Piscis Austrinus (the South Fish):[5] ω – ι – θ – 7 – β – 5 – κ,9 – λ – TX(19) Psc.
 ==HGS Session References==