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3 days ago · The black hole is marked with a red circle within the constellation of Sagittarius (The Archer). This map shows most of the stars visible to the unaided eye under good conditions. The diameter of Sagittarius A* is smaller than the orbit of Mercury.
5 days ago · Singularity: According to general relativity, the singularity is the point at the centre of a black hole where mass is infinitely dense, and spacetime curvature becomes infinitely steep.
5 days ago · Hosts a supermassive black hole at its center, notable for its mass and the galaxy's core structure. Location: Abell 85 galaxy cluster Type: Supermassive Black Hole
1 day ago · Black Holes and You. July 7, 2024. Black holes are perhaps one of the most mysterious and intriguing objects in the universe. Misconceptions and misinformation surround black holes. But one thing can be certain, kids are fascinated by them. In my time working outreach for NASA, I have encountered quite a few repeat questions about these strange ...
3 days ago · These black holes are between 100 and 1,000 times as massive as Sagittarius A* (Sgr A*), the supermassive black hole at the heart of the Milky Way that sits just 26,000 light-years from Earth.
4 days ago · After analyzing observations of the dusty objects, an international team of researchers, led by astrophysicist Florian Peißker of the University of Cologne, have identified these clumps as...
4 days ago · Peering into the early stages of the 13.8 billion-year-old universe, the James Webb Space Telescope has spotted a galaxy as it existed just 700 million years after the Big Bang. It is puzzling how the black hole at its center could already weigh a billion solar masses when the universe was still in its infancy.
