Object located around black hole 5bn light-years from earth measured
It's the most accurate measure achieved until now of such a small and distant object, and it has been achieved thanks to the so-called gravitational microlensing effect, caused by stars belonging to a galaxy between us and the quasar, and which may magnify tiny regions within the quasar.
Feb 26, 2016, 11:31 AM IST
Indian origin astronomer-led team spots mid-size black hole
In a first, a team including an Indian-origin astronomer has found evidence for a new intermediate-mass black hole about 5,000 times the mass of the Sun.
Sep 22, 2015, 11:33 AM IST
