Black Holes
Simulations reveal galaxy clusters details  PHYS.ORG · 15 hours
Inspired by the science fiction of the spacefaring Romulans of Star Trek, astrophysicists have used XSEDE-allocated supercomputers to develop cosmological computer simulations called RomulusC, where the 'C' stands for galaxy cluster. With a focus on black hole physics,... more
Astronomers Map Surroundings of Supermassive Black Hole  SCI-NEWS.COM · 2 days
As material spirals towards a black hole, it is heated up and emits X-rays that, in turn, echo and reverberate as they... more
Wandering Massive Black Holes Detected in Nearby Dwarf Galaxies  SCI-NEWS.COM · 3 days
Astronomers using NSF’s Karl G. Jansky Very Large Array (VLA) at the National Radio Astronomy Observatory have observed... more
Astrophysicists find massive black holes wandering around dwarf galaxies  PHYS.ORG · 3 days
A new search led by Montana State University has revealed more than a dozen massive black holes in dwarf galaxies that were previously considered too small to host them, and... more
Astronomers use 'cosmic echolocation' to map black hole surroundings  PHYS.ORG · 4 days
Material falling into a black hole casts X-rays out into space—and now astronomers have used the echoes of this radiation to map the dynamic behavior and surroundings of a black... more
XMM-Newton maps black hole surroundings  ESA · 4 days
Material falling into a black hole casts X-rays out into space – and now, for the first time, ESA’s XMM-Newton X-ray observatory has used the reverberating... more
The dynamic behaviour of a black hole corona  ESA · 4 days
Image: These illustrations show the surroundings of a black hole feeding on ambient gas as mapped using ESA’s XMM-Newton X-ray... more
Astronomers discover class of strange objects near our galaxy's enormous black hole  SCIENCE DAILY · 1 week
Astronomers have discovered a new class of bizarre objects at the center of our galaxy, not far from the supermassive black hole called Sagittarius... more
Astronomers discover class of strange objects near our galaxy's enormous black hole  PHYS.ORG · 1 week
Astronomers from UCLA's Galactic Center Orbits Initiative have discovered a new class of bizarre objects at the center of our galaxy, not far from... more
X-rays and gravitational waves will combine to illuminate massive black hole collisions  SCIENCE DAILY · 1 week
A new study has found that collisions of supermassive black holes may be simultaneously observable in both gravitational waves and X-rays at the beginning... more
X-rays and gravitational waves combine to illuminate massive black hole collision  PHYS.ORG · 1 week
A new study by a group of researchers at the University of Birmingham has found that collisions of supermassive black holes may be simultaneously observable in... more
AstroSat observations unveil properties of black hole binary MAXI J1820+070  PHYS.ORG · 1 week
Simultaneous spectral and temporal observations of the newly detected black hole X-ray binary (BHXB) MAXI J1820+070 using the AstroSat spacecraft, have delivered more insights into the properties of... more
X-rays and gravitational waves will combine to illuminate massive black hole collision  nanowerk · 2 weeks
A new study has found that collisions of supermassive black holes may be simultaneously observable in both gravitational waves and X-rays at the beginning... more
A stripped helium star solves the massive black hole mystery  SCIENCE DAILY · 2 weeks
Recently, a Chinese team of astronomers claimed to have discovered a black hole as massive as 70 solar masses, which, if confirmed, would severely challenge the current view... more
Stellar black holes: When David poses as Goliath  PHYS.ORG · 2 weeks
Stellar black holes form when massive stars end their life in a dramatic collapse. Observations have shown that stellar black holes typically have masses of about ten times that of the Sun,... more
On the hunt for primordial black holes  PHYS.ORG · 2 weeks
The theory that dark matter could be made of primordial black holes a fraction of a millimeter in size has been ruled out by a team of researchers led by the Kavli Institute for... more
On the hunt for primordial black holes  nanowerk · 2 weeks
The theory that dark matter could be made of primordial black holes a fraction of a millimetre in size has been ruled out by a team of researchers. more
Black hole transient GRS 1716−249 investigated in hard and intermediate states  PHYS.ORG · 2 weeks
Astronomers have investigated a black hole transient known as GRS 1716−249 with NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). The new study provides crucial insights into properties... more
Famous black hole has jet pushing cosmic speed limit  PHYS.ORG · 3 weeks
The Event Horizon Telescope Collaboration released the first image of a black hole with observations of the massive, dark object at the center of Messier 87, or M87, last April.... more
Astronomers find wandering massive black holes in dwarf galaxies  nanowerk · 3 weeks
Astronomers seeking to learn about the mechanisms that formed massive black holes in the early history of the Universe have gained important new clues with the discovery of 13 such... more
Astronomers find wandering massive black holes in dwarf galaxies  SCIENCE DAILY · 3 weeks
Studies with the VLA indicate that roughly half of the massive black holes in dwarf galaxies are not in the centers of those galaxies. This gives astronomers new insights into... more
The turbulent life of two supermassive black holes caught in a galaxy crash  PHYS.ORG · 3 weeks
An international team of astronomers used the Atacama Large Millimeter/submillimeter Array (ALMA) to create the most detailed image yet of the gas... more
Astronomers find wandering massive black holes in dwarf galaxies  PHYS.ORG · 3 weeks
Astronomers seeking to learn about the mechanisms that formed massive black holes in the early history of the Universe have gained important new clues with the discovery of 13 such... more
Astronomers Capture Galactic Fireworks in Nearby Spiral Galaxy  SCI-NEWS.COM · 3 weeks
This impressive fireworks display, which involves a supermassive black hole, enormous shock waves and vast reservoirs of gas, is taking... more
Blazar variability  PHYS.ORG · 3 weeks
Active galactic nuclei (AGN) are supermassive black holes at the centers of galaxies that are accreting material. These AGN emit jets of charged particles that move at speeds close to that of light, transporting huge amounts of energy away from... more
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