09 August 2017
Stars orbiting Sgr A* hint at relativistic effects
..., these are the first measurements of this type to be made for stars orbiting a supermassive black hole. "The Galactic Centre really is the best laboratory to study the motion of stars in a relativistic environment. I was amazed how well we could...
05 April 2018
Newly discovered black holes suggests thousands more in our galaxy
...up to 10,000 more within just three light years of the Galactic Centre. The discovery, made by a team from Columbia University, helps...want to look for black holes," Hailey said, "but the Galactic Center is so far away from Earth that those bursts are ...
03 February 2020
Researchers discover "invisible" stars too dim to be seen
... alerted by ESA’s Gaia space telescope that a particular star far from the galactic centre was behaving unusually, astronomers have discovered a stellar binary system that is so ...objects lurking unnoticed in directions away from the galactic centre.
17 December 2021
New study shows that 99.9% of the mass at the centre of our galaxy is due to black hole
...stars around Sagittarius A*, the supermassive black hole at the centre of the Milky Way, astronomers have calculated that a ...; “The mass distribution in the Galactic Centre from interferometric astrometry of multiple stellar orbits” will be ...
16 July 2018
Science begins with South Africa's super radio telescope
With a stunning image of the galactic centre to mark its inauguration, South Africa’s Deputy... this new instrument”, says Fernando Camilo, chief scientist of SARAO. “The centre of the galaxy was an obvious target: unique, visually striking and full of...
24 March 2017
Gravitational waves expel black hole from galaxy centre
...supermassive black hole, is approximately 35, 000 light-years from the centre of its host galaxy known as 3C186; this is more than ... the newly-formed single black hole out of the galactic centre. “If our theory is correct, the observations provide ...
