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It is made of several dust and gas clouds, which orbit and fall onto Sagittarius A* at velocities as high as 1,000 kilometers per second. The surface layer of these clouds is ionized. The source of ionisation is the population of massive stars (more than one hundred OB stars have been identified so far) that also occupy the central parsec.
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".
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.
In 1958 the International Astronomical Union (IAU) decided to adopt the position of Sagittarius A as the true zero coordinate point for the system of galactic latitude and longitude. [11] In the equatorial coordinate system the location is: RA 17 h 45 m 40.04 s, Dec −29° 00′ 28.1″ (J2000 epoch).
Chi 1 Sagittarii (χ 1 Sagittarii) is a binary star [6] system in the zodiac constellation of Sagittarius. The pair have a combined apparent visual magnitude of +5.03, [2] which is bright enough to be seen with the naked eye. Based upon an annual parallax shift of 12.95 mas as seen from Earth, [1] it is located around 252 light years from the Sun.
Sidereal (Vedic) astrology shares the same system as Western astrology of linking zodiac signs to elements. In addition, in Vedic thought each of the five planets are linked to an element (with space as the fifth). It was said in the Veda that everything emanated from the one basic vibration of "Om" or "Aum". From "Om" the five elemental ...
Sagittarius’ sun sign is Sagittarius, but you knew that already. As a fire sign, Sagittarius is all about energy, action and motivation. They are often quick to get inspired and make for highly ...
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]