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Scorpius (constellation)
Scorpius is a zodiac constellation located in the Southern celestial hemisphere, where it sits near the center of the Milky Way, between Libra (constellation), Libra to the west and Sagittarius (constellation), Sagittarius to the east. Scorpius is an ancient constellation whose recognition predates Greek culture; it is one of the 48 constellations identified by the Greek astronomer Ptolemy in the second century. Notable features Stars Scorpius contains many bright stars, including Antares (α Sco), "rival of Mars," so named because of its distinct reddish hue; Beta Scorpii, β1 Sco (Graffias or Acrab), a triple star; Delta Scorpii, δ Sco (Dschubba, "the forehead"); Theta Scorpii, θ Sco (Sargas, of Sumerian origin); Nu Scorpii, ν Sco (Jabbah); Xi Scorpii, ξ Sco; Pi Scorpii, π Sco (Fang); Sigma Scorpii, σ Sco (Alniyat); and Tau Scorpii, τ Sco (Paikauhale). Marking the tip of the scorpion's curved tail are Lambda Scorpii, λ Sco (Shaula) and Upsilon Scorpii, υ Sco (Lesat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scorpion
Scorpions are predatory arachnids of the Order (biology), order Scorpiones. They have eight legs and are easily recognized by a pair of Chela (organ), grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. The evolutionary history of scorpions goes back Silurian, 435 million years. They mainly live in deserts but have adapted to a wide range of environmental conditions, and can be found on all continents except Antarctica. There are over 2,500 described species, with 22 extant (living) families recognized to date. Their Taxonomy (biology), taxonomy is being revised to account for 21st-century genomic studies. Scorpions primarily prey on insects and other invertebrates, but some species hunt vertebrates. They use their pincers to restrain and kill prey, or to prevent their own predation. The Scorpion sting, venomous sting is used for offense and defense. During courtship, the male and female ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
