09 August 2019
Is the Milky Way's black hole waking up?
... activity in the past few hundred years. More recently, a star known as S2 got within 100 AU (astronomical units) of Sgr A*, giving astronomers the chance to test relativistic effects predicted by Einstein’s equations (the test worked and S2 behaved...
17 December 2021
New study shows that 99.9% of the mass at the centre of our galaxy is due to black hole
...colleagues have been working on confirming more details about Sgr A*, specifically, is general relativity indeed the correct ...is to closely follow the orbits of stars passing close to Sgr A*,” says Stefan Gillessen, one of the astronomers who set ...
09 August 2017
Stars orbiting Sgr A* hint at relativistic effects
... stars orbiting at high speed in the gravitational field near Sgr A*. As far as stars go, S2 might seem quite ... centre of our Milky Way. Although the existence of Sagittarius A* (or Sgr A* for short) was inferred much earlier, it is these details ...
05 April 2018
Newly discovered black holes suggests thousands more in our galaxy
... have been made in the past for black holes surrounding Sgr A*, the closest supermassive black hole (SMBH) to Earth and... black holes are expected to exist in the area surrounding Sgr A*. "This finding confirms a major theory and the implications...
13 August 2020
Fastest star in the galaxy is found, and potentially its a “squeezar”
...scientists using the Very Large Telescope (VLT) in Chile. Circling Sgr A* from a distance that is comparable to the size of ...those is another record-breaker in its own right. Zooming around Sgr A* at a blistering 24, 000 kilometres a second at its ...
04 November 2020
New studies reveal the origin of fast radio bursts
... dubbed FRB 200428 originated from the same location as SGR 1935+2154, the STARE2 team, headed by Christopher ... though, a team using the extremely sensitive telescope had already observed SGR 1935+2154 a couple of weeks earlier and so missed out on...
