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Sagittarius A*, abbreviated Sgr A* (/ ˈ s æ dʒ ˈ eɪ s t ɑːr / SADGE-AY-star), is the supermassive black hole at the Galactic Center of the Milky Way.
Sagittarius A ( Sgr A) is a complex radio source at the center of the Milky Way, which contains a supermassive black hole. It is located between Scorpius and Sagittarius, and is hidden from view at optical wavelengths by large clouds of cosmic dust in the spiral arms of the Milky Way.
Aug 29, 2013 · Learn how NASA's Chandra X-ray Observatory revealed the faint X-ray emission from hot gas around Sgr A*, a black hole in the center of the Milky Way galaxy. See images and read about the research findings and implications for understanding the shadow and the flow of matter near Sgr A*.
May 12, 2022 · At the heart of our galaxy lies a supermassive black hole — Sagittarius A*. Here is what we know so far about this massive slumbering cosmic titan.
May 12, 2022 · The EHT collaboration has captured the second-ever direct image of a black hole, this time at the centre of the Milky Way. The image shows a ring of radiation around a dark disk, confirming Einstein's theory of general relativity and revealing the black hole's rotation and variability.
- Davide Castelvecchi
May 12, 2022 · Learn how scientists captured the first image of Sagittarius A*, the supermassive black hole at the center of our galaxy, and why it's important for astronomy and physics. Explore resources to teach and learn about black holes and their formation.
May 12, 2022 · The Event Horizon Telescope captures the light around our own supermassive black hole, revealing a glowing, donut-shaped ring at the Milky Way’s heart. The image confirms Einstein’s theory of general relativity and provides the first visual evidence of a black hole at the center of our galaxy.
