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Book three discusses the signs of the zodiac, which are depicted in this 16th-century manuscript. Books two and three deal mainly with the finer details of the zodiac. [38] Book two opens with a preface in which Manilius presents a brief history of hexameter poetry, singling out Homer and Hesiod. The purpose, Volk argues, is to emphasize the ...
Sagittarius A*, abbreviated as Sgr A* (/ ˈ s æ dʒ ˈ eɪ s t ɑːr / SADGE-AY-star [3]), is the supermassive black hole [4] [5] [6] at the Galactic Center of the Milky Way.Viewed from Earth, it is located near the border of the constellations Sagittarius and Scorpius, about 5.6° south of the ecliptic, [7] visually close to the Butterfly Cluster (M6) and Lambda Scorpii.
Sagittarius is one of the constellations of the zodiac and is located in the Southern celestial hemisphere. It is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one of the 88 modern constellations. Its old astronomical symbol is (♐︎). Its name is Latin for "archer".
The name Sagittarius A was first used in 1954 by John D. Kraus, Hsien-Ching Ko, and Sean Matt [6] when they included the object in the list of radio sources found with the Ohio State University radio telescope at 250 MHz. As was common practice at the time, sources were named by constellation with capital letters in order of brightness within ...
The traditional name of the β Scorpii system has been rendered Akrab and Elakrab, derived (like Acrab) from Arabic: العقرب al-ʿaqrab ('the scorpion'). / ˈ eɪ k r æ b / Crux: α Crucis Aa: Acrux "Acrux" is a modern contraction of the Bayer designation, coined in the 19th century, but which entered into common use only by the mid-20th ...
The depictions of the constellations in Urania's Mirror are redrawings from those in Alexander Jamieson's A Celestial Atlas, published about three years earlier, and include unique attributes differing from Jamieson's sky atlas, including the new constellation of Noctua the owl, and Norma Nilotica – a measuring device for the Nile floods – held by Aquarius the water bearer.
Money-wise, Sagittarius gets some very good news this year as Pluto—planet of life and death—moves out of their financial zone for the first time since 2008!
υ Sgr is a binary system with an orbital period of 137.939 days and is approximately 1,800 light years from Earth. The primary star dominates the visible radiation and spectrum, but the secondary is hotter and more massive. Some sources consider the "invisible" component to be the primary on the basis of its mass. [8]