Sagittarius A*, abbreviated as Sgr A* (/ ˈsædʒ ˈeɪ stɑːr / SADGE-AY-star[3]), is the supermassive black hole [4][5][6] at the Galactic Center of the Milky Way.

2013年8月29日 · The center of the Milky Way galaxy, with the supermassive black hole Sagittarius A* (Sgr A*), located in the middle, is revealed in these images. As described in our …

2022年5月12日 · At the center of our very own Milky Way galaxy, scientists long suspected that there was a supermassive black hole, and they named this black hole Sagittarius A* (Sgr A*, pronounced "sadge-ay-star").

2022年5月12日 · Sagittarius A*, often abbreviated to Sgr A* and pronounced "Sagittarius A star", is a supermassive black hole located at the center of our spiral galaxy, the Milky Way.

4 小时之前 · Recent Observations of Sagittarius A* With a mass of 4.3 million times that of the sun, the supermassive black hole Sagittarius A* (Sgr A*) in the heart of the Milky Way galaxy offers an unmatched testbed to observe up close how materials get radiated, accreted, and expelled by a black hole 2.

2022年5月12日 · The new image of Sgr A* follows the first-ever image of a black hole, which was obtained by the EHT in 2019. That groundbreaking image was of M87*, the supermassive black hole at the center of Messier 87, a galaxy located 53 million light years from Earth.

2022年5月12日 · Sagittarius A*, pronounced "Sagittarius A star," is a supermassive black hole located at the center of our spiral galaxy, the Milky Way. In 2008, astronomers Reinhard Genzel and Andrea Ghez...

2022年6月12日 · Sagittarius A (Sgr A) is a complex radio source located at the centre of the Milky Way Galaxy. It contains Sagittarius A*, the supermassive black hole at the heart of our galaxy. The first image of the black hole was released in May 2022.

2022年5月12日 · The Event Horizon Telescope (EHT) Collaboration has created a single image (top frame) of the supermassive black hole at the centre of our galaxy, called Sagittarius A* (or Sgr A* for short), by combining images extracted from the EHT observations.

Sagittarius A*, supermassive black hole at the center of the Milky Way Galaxy, located in the constellation Sagittarius and having a mass equivalent to four million Suns. The event horizon of the black hole has a radius of 12 million kilometers (seven million miles).