Research news on Galactic center

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.

The edge of the Milky Way's star-forming disk revealed

How far the Milky Way's disk extends has long been difficult to define—it doesn't end sharply, but fades away gradually at its outer edges. Now, for the first time, an international team of astronomers has identified the ...

First close pair of supermassive black holes detected

Supermassive black holes at the centers of galaxies are one of the most active fields of research in astronomy. In order to accumulate their enormous masses, they must merge with each other. A research team led by Silke Britzen ...

Dark matter, not a black hole, could power Milky Way's heart

Our Milky Way galaxy may not have a supermassive black hole at its center but rather an enormous clump of mysterious dark matter exerting the same gravitational influence, astronomers say. They believe this invisible substance—which ...

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