Astronomers find black hole in Sagittarius constellation
Apr 28, 2017
An international team of astronomers led The University of Manchester have found evidence of a new 'missing-link' black hole in the Milky Way galaxy, hidden in the Sagittarius constellation.
A black hole in a low mass X-ray binary
Apr 24, 2017
A globular cluster is a roughly spherical ensemble of stars (as many as several million) that are gravitationally bound together, and typically located in the outer regions of galaxies. Low mass X-ray binary stars (LMXBs) ...
Can we see a singularity, the most extreme object in the universe?
Apr 20, 2017
A team of scientists at the Tata Institute of Fundamental Research (TIFR), Mumbai, India, have found new ways to detect a bare or naked singularity, the most extreme object in the universe.
The arrhythmic beating of a black hole heart
Apr 19, 2017
At the center of the Centaurus galaxy cluster, there is a large elliptical galaxy called NGC 4696. Deeper still, there is a supermassive black hole buried within the core of this galaxy.
Ultraviolet spectroscopic evolution of a tidal disruption event investigated by astronomers
Apr 19, 2017 report
(Phys.org)—An international team of astronomers led by Jonathan S. Brown of the Ohio State University in Columbus, Ohio, has studied the ultraviolet spectroscopic evolution of a nearby low-luminosity tidal disruption event ...
Supermassive black holes found in two tiny galaxies
Apr 17, 2017
Three years ago, a University of Utah-led team discovered that an ultra-compact dwarf galaxy contained a supermassive black hole, then the smallest known galaxy to harbor such a giant black hole. The findings suggested that ...
Astronomers piece together first image of black hole
Apr 12, 2017
After training a network of telescopes stretching from Hawaii to Antarctica to Spain at the heart of our galaxy for five nights running, astronomers said Wednesday they may have snapped the first-ever picture of a black hole.
Black holes theorized in the 18th century
Apr 11, 2017
Black holes are not made up of matter, although they have a large mass. This explains why it has not yet been possible to observe them directly, but only via the effect of their gravity on the surroundings. They distort space ...
Supermassive black holes stifle galaxy growth
Apr 07, 2017
An international team of scientists involved in the SDSS-IV MaNGA (Sloan Digital Sky Survey-IV Mapping Nearby Galaxies at Apache Point Observatory) project is studying approximately 10,000 galaxies near Earth. The researchers ...
The ALMA array in Chile joins global VLBI arrays for unprecedented leap in resolving power
Apr 05, 2017
A powerful new array of radio telescopes is being deployed for the first time this week, as the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile joins a global network of antennas poised to make some of the highest ...