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  • Emily Mandl

Sagittarius A*


Nestled at the heart of our Milky Way galaxy lies a celestial enigma known as Sagittarius A *. This huge black hole, whose name derives from its location in the cluster Sagittarius, has attracted the interest of both astronomers and scientists. Its enormous gravitational pull and interesting characteristics make Sagittarius A* an interesting object of study, providing useful insights into the nature of dark holes and the dynamics of galactic centres. Sagittarius A* was initially detected through studies of television pollution coming from the galactic centre. Considerable research and scientific advancements have allowed scientists to look deeper into its properties. Scientists suggest that Sagittarius A * possesses a mass equivalent to approximately four million times that of our sun, compressed into a region smaller than our solar system. Due to this shocking density, a strong magnetic field is created, trapping anything that gets too close.

The area surrounding Sagittarius A* is characterized by an accretion disk— an orbiting drive of gasoline, dust, and other celestial tissue. A swirling disk that becomes heated and emits strong radiation is created as materials from the surrounding environment spiral inwards. The inner part of this disk culminates in the event sky, a limit beyond which nothing, not even light, can escape the magnetic pull of Sagittarius A *. This trend is the defining characteristic of a black hole.

Sagittarius A * plays a pivotal role in the evolution and dynamics of our galaxy. Its massive bulk and magnetic influence shape the motion of stars, gas clouds, and other heavenly objects in the vicinity. Relationships between Sagittarius A* and surrounding stars usually result in captivating phenomena such as brilliant collisions, and the ejection of large - velocity jets of particles. These techniques contribute to the overall development of the Milky Way. Sagittarius A* has been studied by scientists using an array of effective telescopes and equipment, including radio observatories, X - light observatories, and interferometric techniques. These studies shed light on the actions and characteristics of black openings, allowing researchers to test and refine theories regarding their development, creation, and interactions with their surroundings.

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