The Galactic center as a research area focuses on the physical conditions, dynamics, and energetic processes in the central few hundred parsecs of the Milky Way, encompassing the supermassive black hole Sagittarius A*, dense stellar clusters, molecular clouds, and non-thermal emission regions. Studies integrate multiwavelength observations (radio to gamma rays) with numerical simulations to probe accretion physics, star formation under extreme tidal and radiation fields, cosmic-ray acceleration, and feedback-driven outflows. This domain also addresses gravitational potential mapping, stellar kinematics, magnetohydrodynamics of the interstellar medium, and tests of general relativity in the strong-field regime, making it a key laboratory for understanding galactic nuclei in general.
Scientists have spotted what appear to be two stars whipping around each other near the supermassive black hole at the center of our Milky Way galaxy.
Astronomy
Dec 21, 2024
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87
An international team of researchers has detected a binary star orbiting close to Sagittarius A*, the supermassive black hole at the center of our galaxy. It is the first time a stellar pair has been found in the vicinity ...
Astronomy
Dec 17, 2024
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414
NGC 1068 is a well-known, relatively nearby, bright galaxy with a supermassive black hole at its center. Despite its status as a popular target for astronomers, however, its accretion disk is obscured by thick clouds of dust ...
Astronomy
Dec 11, 2024
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50
A research team led by Assistant Professor Makoto Miyoshi of the National Astronomical Observatory of Japan (NAOJ) has independently re-analyzed observation data of the supermassive black hole at the center of the Milky Way ...
Astronomy
Oct 25, 2024
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372
At the High-Altitude Water Cherenkov (HAWC) observatory, 13,000 feet above sea level on the Sierra Negra volcano of Mexico, researchers are getting a look into a violent mystery in the Milky Way galaxy. An international research ...
Astronomy
Oct 22, 2024
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431
Astronomers have published a gigantic infrared map of the Milky Way containing more than 1.5 billion objects―the most detailed one ever made. Using the European Southern Observatory's VISTA telescope, the team monitored the ...
Astronomy
Sep 26, 2024
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543
