A team of researchers discovered that a supermassive black hole at the center of the most massive local galaxy, M87, is displaced from its expected location. The finding suggests that supermassive black holes may be commonly offset from their host galaxy centers due to previous mergers or interactions with jets.
A study by researchers at The University of Nottingham reveals the devastating impact of supermassive black holes on galaxies. These behemoths strip massive galaxies of cool gases required for new stars, causing ageing red giants to dwindle in existence.
Theoretical physicist Nikodem Poplawski proposes that our universe could be born from the interior of an Einstein-Rosen bridge (wormhole) within a black hole, potentially resolving issues with the Big Bang theory and black hole information loss. This model may also explain cosmic inflation.
Astronomers at Yale University have discovered that supermassive black holes undergo huge growth spurts during galactic collisions and remain veiled in dust for extended periods. The team found that these growing black holes spend about half their lives hidden behind a 'veil' of dust.
Astronomers have discovered two ancient supermassive black holes that provide insight into the universe's early evolution. The objects lack characteristic signatures of hot dust, suggesting they formed in a dust-free medium at the earliest stages of universe formation.
Astronomers have observed fast-growing primitive black holes at the center of distant galaxies, weighing between 100 million and 10 billion solar masses. The researchers found that these black holes are active and growing, and their growth is linked to the formation of stars in the galaxy.
Researchers have found conclusive evidence of a binary quasar formed by the merger of two galaxies. The discovery uses images from the Carnegie Institution's Magellan telescope in Chile to show tidal tails produced by gravitational attraction, confirming the merger origin for the binary quasar system.
Kelly Holley-Bockelmann's NSF award will support her research on supermassive black holes and the university's innovative program for underrepresented minorities in physics. The grant also funds initiatives to recruit and retain students from underrepresented groups.
Astronomers study the galaxy's most active black-hole binary, revealing a dramatic change in the accretion disk's behavior. The Suzaku observations show that at low brightness, the inner edge of the disk retreats up to 600 miles from the black hole.
Astronomer Dan Dicken uses Spitzer Space Telescope data to study heat energy from distant active galaxies, aiming to distinguish between starbursts and supermassive black holes. His research could help understand galaxy evolution, co-evolution of black holes and their host galaxies, and the diversity of active galactic nuclei.
A new study led by CU-Boulder suggests that the first large black holes in the universe formed and grew inside gigantic, starlike cocoons. These cocoons likely prevented surrounding gases from being blown away and smothered powerful x-ray radiation.
Astronomers have found a middleweight black hole in galaxy NGC 5408, with masses between 1,000 and 9,000 solar masses. The discovery was made using the Swift satellite and XMM-Newton observatory, which detected quasi-periodic oscillations from the black hole.
Researchers at RIT are using supercomputers to study the massive dark objects, simulating what cannot be seen directly. The grants and allocations will enhance their access to sophisticated computer power, staying at the forefront of scientific computation.
A study found that the replacement of a black manager with a non-black manager results in a significant decline in the number of blacks employed, especially in Southern stores. Black managers tend to hire people who live close to them, while non-black managers hire from a broader network.
Researchers discovered that Tyrannosaurus rex and its relatives had a potentially deadly infectious disease similar to trichomonosis, which causes swollen jaws and holes. The study found evidence of face-biting marks on many specimens and suggests that cannibalism or head-biting may have spread the disease.
Mathematicians at the University of Leeds propose that black holes are directly responsible for producing gamma ray bursts, contradicting the orthodox model. The theory suggests that rotating black holes can devour nearby stars, creating long-lasting jets of plasma that produce the high-energy radiation.
A team led by Professor Stephen Eikenberry captured the first images of the cosmos using a UF-designed camera/spectrometer attached to the Gemini South telescope in Chile. The instrument, FLAMINGOS-2, will enable accurate tracking of black hole growth and evolution over 4 billion years.
Astronomers have discovered a giant galaxy surrounding the most distant black hole ever found, 12.8 billion light-years from Earth. The galaxy is as large as the Milky Way and harbors a supermassive black hole with at least a billion times more matter than our sun.
Dartmouth researchers have proposed a new method to create tiny quantum-sized black holes in the laboratory, allowing for better understanding of Hawking radiation. The SQUID-based setup enables exploration of analogue quantum gravitational effects and may be more straightforward for detecting Hawking radiation.
Recent simulations by astrophysicists reveal that the first black holes in the universe grew slowly and were deprived of gas, contradicting popular theories. The simulations suggest that these early black holes may have played a more complex role in the formation of supermassive black holes observed today.
A NASA/Goddard Space Flight Center simulation found that the universe's first black holes grew slowly due to a lack of gas, contrary to expectations. The findings have significant implications for understanding galaxy formation and the role of black holes in shaping the universe.
Research at the American Sociological Association reveals that highly educated black women are less likely to get married and have children compared to their white counterparts. The gap in marriage rates has grown over the decades, with 45% of black women born between 1955-1960 being childless by age 45.
A new class of black hole has been discovered, with masses between 100 and several hundred thousand times that of the Sun. The discovery, made by an international team of astronomers using XMM-Newton observations, confirms the existence of intermediate mass black holes.
Black gay men are more likely to have tightly interconnected sexual networks, increasing the rapid spread of HIV. Social barriers and racism contribute to these networks, perpetuating health disparities among Black gay men.
A new study by Dr. Yuval Kalish suggests that some networking strategies can lead to 'social potholes,' harming individuals and businesses. Filling structural holes can bring short-term gains but long-term costs, and authenticity is key for peace-builders.
New calculations suggest hundreds of massive rogue black holes are left over from the early universe, potentially wandering the Milky Way's outer reaches. These relics could provide clues about galaxy formation history and the formation of black holes in the early universe.
Researchers discovered a mechanism for regulating the rate at which stellar-mass black holes grow, suggesting that they can regulate themselves. The study found that the black hole in GRS 1915+105 toggles between expelling mass via a jet and a wind from its accretion disk.
A study found that black women are 3 times more likely to develop aggressive triple negative breast tumours compared to non-black women. The study also revealed that the prevalence of these tumours is not limited to pre-menopausal black women, but is also common in those diagnosed before or after age 50 and across all body mass indexes.
Researchers have discovered a new connection between Carter's constant and Newtonian gravity, shedding light on the behavior of rotating black holes. The findings have significant implications for gravitational-wave astronomy, potentially allowing the detection of small black hole orbits.
A team of Yale University astronomers discovered that galaxies stop forming stars before their central supermassive black holes reach their most powerful stage. The study found no bright AGN at the centers of star-forming galaxies, suggesting that the shutting-down process occurs earlier in the AGN's lifetime.
A recent study suggests that supermassive black holes formed first and grew before their host galaxies. The ratio of black hole mass to galactic bulge mass is nearly constant across different galaxy sizes and ages. This finding implies that the growth of black holes and galaxies was an interactive process.
Researchers found that all active galactic nuclei have a similar physical structure, independent of the black hole's size. The observation constrains current ideas on how glow around black holes is produced, allowing for further study of these enigmatic objects.
Researchers have discovered two distant galaxies with massive black holes at their centers, challenging previous assumptions about the formation of these cosmic objects. The study reveals that these colossal black holes were present even 12 billion years ago, when the universe was just 1.7 billion years old.
Astronomers have found that magnetic fields are essential for black holes to swallow matter. The variations in visible light and X-rays were found to follow a repeated pattern, indicating that strong magnetic fields store energy near the black hole.
A recent Northwestern University study reveals that the immediate response of non-black participants is to categorize racially ambiguous people as black when they know one parent is black and the other is white. However, upon more thoughtful reflection, they are more likely to consider the same faces multiracial.
A new study published in JAMA found that black Americans have a higher occurrence of colon polyps compared to white patients. The research suggests that black men and women are at greater risk for serious polyps, emphasizing the importance of regular screening among this demographic.
A study found that black patients undergoing screening colonoscopy have a higher prevalence of colon polyps compared to white patients. Black men and women were more likely to have large polyps, with increased odds in those over 50 years old.
Researchers at Durham University found a giant black hole emitting a regular X-ray signal, linking it to smaller black holes. This discovery sheds light on how gas behaves around super-massive black holes as they feed and develop.
A Yale University astrophysicist has discovered an upper mass limit for black holes, which appear to curb their growth at around 10 billion times the mass of our Sun. This finding has implications for the study of galaxy formation and suggests that black holes may play a key role in regulating star formation.
A team of astronomers has obtained the closest views ever of a super-massive black hole at the center of the Milky Way galaxy. The new observations revealed the highest density yet for the concentration of matter at the galaxy's center, supporting the existence of black holes.
Researchers have successfully visualized the elusive disks of matter surrounding supermassive black holes using a polarising filter on the UK Infrared Telescope. This breakthrough allows scientists to study these black holes in greater detail, shedding light on their structure and composition.
Researchers have used radio telescopes to study the behavior of Seyfert galaxies, revealing that the majority of them are being consumed by black holes due to interactions with neighboring galaxies. This discovery provides strong evidence for the role of galactic cannibalism in powering these galaxies.
Dr. Joan M. Centrella and Dr. John G. Baker received the John C. Lindsay Memorial Award for their pioneering computer simulations of black hole mergers, a crucial step towards understanding cosmic evolution. The simulations have spurred rapid progress in predicting observable signatures of these events.
Researchers at Penn State have discovered a mechanism that allows information to be recovered from black holes, contrary to Stephen Hawking's previous assertion. By expanding space-time beyond its assumed size, the team finds room for information to reappear in the distant future.
Astronomers used VLBA to watch material winding a corkscrew path and confirm twisted magnetic fields accelerate particles. The team observed BL Lac, a blazar, with unprecedented view of the innermost portion of its jet.
A team of Japanese astronomers has discovered that the Milky Way's central black hole, Sagittarius A*, let loose a powerful flare three centuries ago. The finding resolves a long-standing mystery about the black hole's quiescent nature.
A RIT team successfully simulated the merger of three black holes, confirming a robust computer code and predicting distinct gravitational signatures. The simulation, which uses high-performance computing, is essential for detecting gravity waves that may confirm the existence of black holes.
Researchers have created an online map that shows locations experiencing problems with internet connectivity, providing a snapshot of the internet's weak points. The Hubble tool monitors about 90% of the internet and can help professional network operators identify and fix issues quickly.
Astronomers have identified the smallest known black hole, with a mass of 3.8 times that of our Sun and a diameter of just 15 miles. The black hole resides in a binary system in the Milky Way Galaxy and was measured using archival data from NASA's Rossi X-ray Timing Explorer satellite.
The Virginia Tech group is exploring the possibility of an extra dimension, curled up like the universe at the Big Bang. They plan to detect small primordial black holes that produce radio pulses using a new Transient Array radio telescope.
Researchers suggest that unusual supernovae could confirm the existence of intermediate-mass black holes in globular clusters. The proposed mechanism involves tidal disruption of a white dwarf star by a black hole, causing explosive burning and a unique signature.
New research by Arecibo Observatory increases the mass limit for neutron star formation into black holes, suggesting they may be more rare. Neutron stars are found to remain stable between 1.9 and 2.7 sun masses, contradicting previous thought.
Researchers found that rapidly spinning black holes produce light echoes, where X-ray photons travel different paths around the black hole, causing a constant delay independent of source position. This effect would allow astronomers to measure black hole masses with high accuracy.
A new study using Chandra X-ray Observatory results provides evidence that many supermassive black holes are spinning extremely rapidly. The research suggests that these fast-spinning black holes can drive powerful jets, pumping energy into their environment and affecting galaxy growth.
Astronomers predict hundreds of rogue black holes, each several thousand solar masses, could be roaming the Milky Way. The discovery challenges current understanding of black hole formation and detection.
The Pierre Auger Observatory has found that active galactic nuclei, powered by super-massive black holes, are the most likely source of the highest-energy cosmic rays. The sources of these particles are not distributed uniformly across the sky, but rather linked to nearby galaxies with active nuclei.
A study by scientists has found that the most energetic particles in the universe – ultrahigh-energy cosmic rays – are correlated with the centers of active galaxies hosting violent black holes. The sources are thought to be within 326 million light years, our local neighborhood in cosmic terms.
A team from Rochester Institute of Technology has confirmed that supermassive black holes launch rotating winds that shape galaxies and regulate their growth. The findings, reported in Nature, provide direct observational confirmation of a long-standing theory about quasar winds.
Astronomers have discovered a massive black hole with a mass 24 to 33 times that of our Sun, exceeding expectations. The discovery was made using two NASA satellites and suggests that stellar-mass black holes can be much larger than previously thought.
Researchers at Yale University have discovered a massive stellar black hole, located in a distant galaxy, which challenges the current understanding of how these objects form. The black hole has a mass of 15.65 times that of the sun and was detected using precise measurements of its gravitational effects on nearby stars.