Friday, 26 September 2025

We finally found the hot wind coming out of our black hole

 

Molecular gas and X-ray emission around Sagittarius A*, the Milky Way’s black hole. Image courtesy of Mark D. Gorski et al. (CC BY 4.0)

Joel Kontinen

Some scientists have found a supermassive black hole at the centre of our galaxy:

We have found hot wind blasting out from our galaxy’s supermassive black hole for the first time, which could help us understand its mysterious inactivity.

Compared to many other supermassive black holes that lie at the centres of galaxies, our black hole, called Sagittarius A* or Sgr A*, is relatively quiet. It doesn’t shoot out vast, powerful jets like black holes in many other galaxies do, which are so bright we can spot them even in the earliest moments of the universe. But all supermassive black holes, including Sgr A*, are thought to produce winds – wafts of hot gas blasted out from near the black hole’s event horizon, where gas is swirling and violently heating up.

Source:

Alex Wilkins 2025 Sagittarius A*: We finally found the hot wind coming out of our black hole | New Scientist 24 September