News On Japan

Japanese Team Finds Black Holes Shoot Gas Like Bullets, Not Wind

FUKUOKA, May 16 (News On Japan) - A research paper co-authored by a lecturer at Fukuoka University of Education has been published in the British scientific journal Nature, detailing a groundbreaking discovery about supermassive black holes.

Lecturer Misumoto held a press conference on Friday morning, explaining the study, which reveals that supermassive black holes do not emit smooth gas flows as previously thought, but instead shoot out clusters of ultra-fast gas resembling bullets.

Misumoto and the research team observed black holes using data collected from satellites. They found that the "winds" blowing around the black holes had a bumpy, fragmented structure—contrary to the conventional belief that they were smooth and continuous. The team described the moment of realization as electrifying.

"The data was just too impressive to ignore. We felt we absolutely had to publish it as a paper," said Misumoto. "The moment we understood what we were looking at, I couldn’t sit still—I was pacing around the room from excitement."

The team plans to continue observing black holes using artificial satellites to further explore the nature of these mysterious cosmic phenomena.

Supermassive black holes, typically millions to billions of times the mass of the Sun, continue to be among the most enigmatic objects in the universe. One of the most compelling current theories concerns their formation. While it was once thought that these giants could only form through the gradual accumulation of stellar-mass black holes or the steady accretion of gas over cosmic time, recent models suggest that supermassive black holes may have formed rapidly in the early universe through the direct collapse of massive gas clouds. This "direct-collapse" theory proposes that under the right conditions—particularly in regions with strong ultraviolet radiation that suppresses star formation—primordial gas clouds could have skipped star formation altogether and collapsed straight into black holes with tens of thousands of solar masses. This would explain how quasars, powered by supermassive black holes, were already present less than a billion years after the Big Bang.

Another major area of development involves the role of supermassive black holes in galaxy evolution. It is now widely accepted that almost every large galaxy hosts a supermassive black hole at its center and that these black holes and their host galaxies co-evolve. Observations show a tight correlation between the mass of the central black hole and the properties of the galaxy’s bulge, such as its stellar mass and velocity dispersion. This has led to the feedback theory, where outflows of energy and matter from the accretion disk around the black hole—through jets or winds—regulate star formation in the galaxy. These energetic processes may either trigger or suppress star formation, depending on conditions, and they are now considered key to understanding how galaxies grow and why massive galaxies tend to stop forming stars.

Recent high-resolution observations from telescopes like the Event Horizon Telescope and the James Webb Space Telescope have also begun to provide more detailed glimpses of the environments around supermassive black holes. The image of the shadow of the black hole in the galaxy M87 in 2019 confirmed predictions of general relativity, and further studies are refining our understanding of accretion disk physics, jet formation, and spacetime near the event horizon. There is also growing interest in understanding the behavior of magnetic fields around black holes and their potential role in powering relativistic jets that stretch thousands of light-years into intergalactic space. Polarization measurements from the Event Horizon Telescope have begun to offer clues about how magnetic fields align near the event horizon and how they might extract rotational energy from the spinning black hole itself—a mechanism proposed in the Blandford-Znajek process.

On the theoretical front, some physicists are exploring whether supermassive black holes might reveal signatures of quantum gravity. Since general relativity and quantum mechanics are incompatible in their current forms, the extreme conditions near the singularities of black holes could offer insights into a more unified theory. Concepts such as firewalls, fuzzballs, and quantum information paradoxes continue to be debated, with ideas like black hole entropy, Hawking radiation, and holographic principles being tested indirectly through astrophysical observations. Additionally, gravitational wave astronomy, especially following the detection of black hole mergers by LIGO and Virgo, may soon reveal evidence of mergers involving intermediate-mass or even supermassive black holes, providing new data to test these frontier theories.

In sum, the latest theories about supermassive black holes not only revisit their possible origins through direct collapse in the early universe, but also increasingly position them as central agents in shaping galaxies, regulating star formation, and potentially offering a window into the unification of physics itself. As observational technologies improve and simulations grow more sophisticated, the next decade is likely to yield deeper answers—and perhaps more mysteries—about these immense cosmic engines.

Source: FBS

News On Japan
POPULAR NEWS

Thick black smoke billowed across an expressway in Fukuoka on May 11th after a fire broke out beneath an elevated section of the road, temporarily blocking visibility for drivers and forcing a partial road closure.

Part of the exterior wall of a commercial building collapsed in Osaka on May 10th, causing a nearby highway signpost to topple onto a taxi in what authorities suspect may have been linked to the building’s aging condition.

A brown bear was caught on camera running at high speed through a residential area in Hokkaido, as sightings of unusually large bears continue to spread across the region this spring.

The International Olympic Committee (IOC) announced on May 7th that Tokyo has been selected as a host city for the Olympic Qualifying Series, where athletes will compete for places at the 2028 Los Angeles Olympics.

The "Okihiki" ceremony, in which citizens transport timber to the Outer Shrine of Ise Grand Shrine ahead of its next Shikinen Sengu reconstruction seven years from now, began in Ise City, Mie Prefecture, on May 9th.

MEDIA CHANNELS
         

MORE Sci-Tech NEWS

A steam leak was detected early on May 8th at the Mihama Nuclear Power Plant's Unit 3 in Fukui Prefecture, prompting Kansai Electric Power to manually shut down the reactor.

A nationwide effort to recover valuable resources is gaining momentum in Japan, where discarded personal computers are being transformed into a significant source of recycled gold.

An Okinawa-based company that developed a technology to preserve sea grapes for extended periods has received the Monozukuri Nippon Grand Award, which recognizes outstanding technologies and products.

Hokkaido Electric Power Co. said the restart of its Tomari nuclear power plant may be delayed from its original schedule after announcing on April 28 that completion of a seawall under construction at the plant is now expected to be around four months later than the initial target of three years from now.

A marine park in Hyogo Prefecture is presenting research findings in a live show demonstrating that a young dolphin can learn by imitating the movements of adults.

A strong earthquake with a maximum seismic intensity of lower 5+ struck Hokkaido early on April 27, with no risk of a tsunami, according to the Japan Meteorological Agency. The quake occurred at around 5:24 a.m. and was centered in southern Tokachi. It had an estimated magnitude of 6.1 and a focal depth of about 80 kilometers.

SkyDrive and NEXCO West Japan have partnered to develop a flying car hub at the Beppu Bay Service Area in Oita Prefecture, aiming to launch operations in 2028 for sightseeing flights and other services.

Road cave-ins are occurring one after another across Japan. According to a survey released on April 22 by the Ministry of Land, Infrastructure, Transport and Tourism, so-called dangerous sewer lines requiring urgent countermeasures now total 748 kilometers nationwide.