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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 A (Sgr A) is a complex radio source at the center of the Milky Way, which contains a supermassive black hole. It is located between Scorpius and Sagittarius , and is hidden from view at optical wavelengths by large clouds of cosmic dust in the spiral arms of the Milky Way.
The Sagittarius A* cluster is the cluster of stars in close orbit around Sagittarius A*, the supermassive black hole at the center of the Milky Way (in the Galactic Center). The individual stars are often listed as " S-stars ", but their names and IDs are not formalized, and stars can have different numbers in different catalogues .
The pair of stars that constitute this system have an angular separation of 28.3 [11] arc seconds, with an estimated physical separation of about 3,290 AU. [4] The primary, Beta 1 Sagittarii A, is a B-type main sequence star with a stellar classification of B9 V. [3] [4] It is about 95% of the way through its lifespan on the main sequence. [7]
Alpha Sagittarii is a blue, class B dwarf star.It does not appear particularly bright in the sky to the naked eye, with a visual apparent magnitude of +3.97.. The star has an effective temperature about twice that of the Sun and is nearly three times as massive, with a luminosity about 130 times that of the Sun. Based on an excess emission of infrared radiation, it may have a debris disk, much ...
Sagittarius and Aquarius bring the brains to work. Together, they create a dynamic and intellectually charged team. They love to work independently but can come together to innovate.
Andrea Mia Ghez (born June 16, 1965) is an American astrophysicist, Nobel laureate, and professor in the Department of Physics and Astronomy and the Lauren B. Leichtman & Arthur E. Levine chair in Astrophysics, at the University of California, Los Angeles. [1] Her research focuses on the center of the Milky Way galaxy. [2]
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 ...