Galactic Center - Wikipedia
The Galactic Center is the barycenter of the Milky Way and a corresponding point on the rotational axis of the galaxy. [1][2] Its central massive object is a supermassive black hole of about 4 million solar masses, which is called Sagittarius A*, [3][4][5] a compact radio source which is almost exactly at the galactic rotational center. [clarifi...
Revealing the Milky Way’s Center - NASA
2019年10月9日 · The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas. But in this stunning vista, the Spitzer Space Telescope’s infrared cameras penetrate much of the dust, revealing the stars of the crowded galactic center region.
Sagittarius A* - Wikipedia
Magnetar found very close to the supermassive black hole, Sagittarius A*, at the center of the Milky Way galaxy. The comparatively small mass of this supermassive black hole, along with the low luminosity of the radio and infrared emission lines, …
Galactic Center - NASA
2019年7月23日 · The central region of our galaxy, the Milky Way, contains an exotic collection of objects, including a supermassive black hole weighing about 4 million times the mass of the Sun (called Sagittarius A*), clouds of gas at temperatures of millions of degrees, neutron stars and white dwarf stars tearing material from companion stars and beautiful ...
NASA’s Webb Reveals New Features in Heart of Milky Way
2023年11月20日 · The latest image from NASA’s James Webb Space Telescope shows a portion of the dense center of our galaxy in unprecedented detail, including never-before-seen features astronomers have yet to explain. The star-forming region, named Sagittarius C (Sgr C), is about 300 light-years from the Milky Way’s central supermassive black hole ...
Milky Way - Wikipedia
The Galactic Center is an intense radio source known as Sagittarius A*, a supermassive black hole of 4.100 (± 0.034) million solar masses. [35][36] The oldest stars in the Milky Way are nearly as old as the Universe itself and thus probably formed shortly after the Dark Ages of …
The Milky Way Galaxy - Harvard–Smithsonian Center for …
Today, astronomers study the Milky Way to understand its history, structure, contents, and our place in the galaxy. Like most other large galaxies, the Milky Way harbors a supermassive black hole at its center.
What Is the Center of Our Galaxy Like? - Webb
2021年10月15日 · Zoom into the Hubble Space Telescope view of the Milky Way’s dense galactic core. Hubble’s near-infrared vision pierced the dusty heart of the galaxy to reveal more than half a million stars in its nuclear star cluster, the most massive and densest stellar cluster in the galaxy.
Milky Way galaxy: Facts about our cosmic neighborhood | Space
2023年4月18日 · The Milky Way galaxy is our cosmic home. A barred spiral galaxy stretching 100,000 light-years across. Here we explore our galactic neighborhood in more detail.
Hubble’s Journey to the Center of our Galaxy - NASA Science
2016年3月31日 · Hubble's infrared vision pierced the dusty heart of our Milky Way galaxy to reveal more than half a million stars at its core. At the very hub of our galaxy, this star cluster surrounds the Milky Way's central supermassive black hole, which is about 4 million times the mass of our sun.