Current Quasars News and Events

Current Quasars News and Events, Quasars News Articles.
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Scientists claim that all high-energy cosmic neutrinos are born by quasars
Scientists of the P. N. Lebedev Physical Institute of the Russian Academy of Sciences (LPI RAS), the Moscow Institute of Physics and Technology (MIPT) and the Institute for Nuclear Research of RAS (INR RAS) studied the arrival directions of astrophysical neutrinos with energies more than a trillion electronvolts (TeV) and came to an unexpected conclusion: all of them are born near black holes in the centers of distant active galaxies - powerful radio sources. (2021-02-22)

A most distant signal
Nearly every galaxy hosts a monster at its center -- a supermassive black hole millions to billions times the size of the Sun. Some of these black holes are particularly active, whipping up stars, dust and gas into glowing accretion disks emitting powerful radiation into the cosmos as they consume matter around them. These quasars are some of the most distant objects that astronomers can see, and there is now a new record for the farthest one ever observed. (2021-01-15)

Most distant quasar discovered sheds light on how black holes grow
A team of astronomers led by the University of Arizona has observed the most distant quasar to date. Fully formed just 670 million years after the Big Bang, the quasar is 1000 times more luminous than the Milky Way. It is powered by the earliest known supermassive black hole, which weighs in at more than 1.6 billion times the mass of the sun. The discovery provides insight into the formation of massive galaxies in the early universe. (2021-01-12)

Quasar discovery sets new distance record
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA), along with other telescopes, have discovered the most distant quasar yet found. The bright quasar, powered by a supermassive black hole at the core of a galaxy, is seen as it was only 670 million years after the Big Bang, and is providing valuable clues about how such huge black holes and their host galaxies formed in the early Universe. (2021-01-12)

The earliest supermassive black hole and quasar in the universe
The most distant quasar known has been discovered. The quasar, seen just 670 million years after the Big Bang, is 1000 times more luminous than the Milky Way, and is powered by the earliest known supermassive black hole, which weighs in at more than 1.6 billion times the mass of the Sun. Seen more than 13 billion years ago, this fully formed distant quasar is also the earliest yet discovered. (2021-01-12)

Gaia space telescope measured the acceleration of the Solar System
The Gaia space telescope has measured the acceleration of the Solar System when it orbits the center of our Milky Way galaxy. The Solar System motion relative to the stars agrees with the results by Finnish astronomers in the 19th century. (2020-12-03)

Astronomical instrument hunts for ancient metal
Researchers created a new astronomical instrument that has successfully aided in estimating the abundance of metals in the early universe. The WINERED instrument allows for better observations of astronomical bodies like quasars in the early universe, billions of years ago. Researchers hope this deeper level of exploration could help answer questions about the origins not only of metals in the universe but also of the stars themselves. (2020-11-30)

Australian research shows NASA's James Webb telescopes will reveal hidden galaxies
Simulations show it's possible to distinguish host galaxy from quasars, although still challenging due to the galaxy's small size on the sky. (2020-10-15)

Astronomers find the first galaxy whose ultraviolet luminosity is comparable to that of a quasar
An international scientific team, led by researchers at the Centre for Astrobiology (CAB, CSIC-INTA) and with participation by the Instituto de Astrofísica de Canarias (IAC), have found the galaxy BOSS-EUVLG1. This is the galaxy with star formation but almost no dust, the most luminous of its type known up to now. (2020-09-28)

Hubble maps giant halo around Andromeda Galaxy
In a landmark study, scientists using NASA's Hubble Space Telescope have mapped the immense halo of gas enveloping the Andromeda galaxy, our nearest large galactic neighbor. (2020-08-27)

Rare encounters between cosmic heavyweights
Astronomers using Maunakea Observatories - Subaru Telescope, W. M. Keck Observatory, and Gemini Observatory - have discovered three pairs of merging galaxies. Each of the galaxies contain a supermassive black hole that's feasting on material surrounding it, creating a phenomenon called a quasar. These luminous dual quasars are rare; only about 0.3% of all known quasars have two supermassive black holes that are on a collision course with each other. (2020-08-26)

Strange gamma-ray heartbeat puzzles scientists
Scientists have detected a mysterious gamma-ray heartbeat coming from a cosmic gas cloud. The inconspicuous cloud in the constellation Aquila is beating with the rhythm of a neighbouring precessing black hole, indicating a connection between the two objects, as the team led by DESY Humboldt Fellow Jian Li and ICREA Professor Diego F. Torres from the Institute of Space Sciences (IEEC-CSIC) reports in the journal Nature Astronomy. (2020-08-17)

Monster black hole found in the early universe
Astronomers have discovered the second-most distant quasar ever found using three Maunakea Observatories in Hawai'i. It is the first quasar to receive an indigenous Hawaiian name, Poniua'ena. Data from W. M. Keck Observatory show the supermassive black hole powering Poniua'ena is surprisingly massive, challenging current theories of how supermassive black holes formed and grew in the young universe. (2020-06-25)

Quasar jets are particle accelerators thousands of light-years long
An international collaboration bringing together over 200 scientists from 13 countries has shown that the very high-energy gamma-ray emission from quasars is not concentrated in the region close to their central black hole but in fact extends over several thousand light-years along jets of plasma. This discovery shakes up current scenarios for the behaviour of such plasma jets. The work, published in Nature, was carried out as part of the H.E.S.S collaboration. (2020-06-17)

New distance measurements bolster challenge to basic model of universe
A cosmic measurement technique independent of all others adds strong evidence pointing to a problem with the current theoretical model describing the composition and evolution of the Universe. (2020-06-11)

Cosmic quasars embrace 1970s fashion trend
Researchers have studied more than 300 quasars -- spinning black holes that produce beams of plasma. The team has found that the shape of these so-called astrophysical jets changes from parabolic to conical at some distance from the black hole, reminiscent of the iconic flared jeans of the '70s. By effectively measuring these 'cosmic pants,' the researchers aim to interpret the workings of the central engine that accelerates matter to nearly the speed of light at the centers of remote active galaxies. (2020-06-08)

New test of dark energy and expansion from cosmic structures
A new paper has shown how large structures in the distribution of galaxies in the Universe provide the most precise tests of dark energy and cosmic expansion yet. (2020-06-03)

Astronomers find cosmic golden needle buried for two decades
Astronomers made innovative use of their time while sheltering at home due to the pandemic by combing through W. M. Keck Observatory and NASA archive data. They rediscovered the first Einstein ring and found the distance of its source was never measured. The researchers are the first to make the calculation and found the quasar to be 10 billion light-years away, or a redshift of z=1.849. (2020-06-01)

Where neutrinos come from
Russian astrophysicists have come close to solving the mystery of where high-energy neutrinos come from in space. The team compared the data on the elusive particles gathered by the Antarctic neutrino observatory IceCube and on long electromagnetic waves measured by radio telescopes. Cosmic neutrinos turned out to be linked to flares at the centers of distant active galaxies, which are believed to host supermassive black holes. (2020-05-13)

New findings suggest laws of nature not as constant as previously thought
Not only does a universal constant seem annoyingly inconstant at the outer fringes of the cosmos, it occurs in only one direction, which is downright weird. (2020-04-27)

Cosmic tempest
Researchers using the Gemini North telescope on Hawai'i's Maunakea have detected the most energetic wind from any quasar ever measured. This outflow, which is travelling at nearly 13% of the speed of light, carries enough energy to dramatically impact star formation across an entire galaxy. The extragalactic tempest lay hidden in plain sight for 15 years before being unveiled by innovative computer modeling and new data from the international Gemini Observatory. (2020-04-14)

Nahum Arav part of team to discover quasar tsunamis
'These outflows are crucial for the understanding of galaxies' formation,' Arav said. 'They are pushing hundreds of solar masses of material each year. (2020-03-19)

Astrophysicists wear 3D glasses to watch quasars
A team of researchers has shown a way to determine the origins and nature of quasar light by its polarization. The new approach is analogous to the way cinema glasses produce a 3D image by feeding each eye with the light of a particular polarization: either horizontal or vertical. The authors managed to distinguish between the light coming from different parts of quasars -- their disks and jets -- by discerning its distinct polarizations. (2020-03-13)

Astronomers use slime mold model to reveal dark threads of the cosmic web
A computational approach inspired by the growth patterns of a bright yellow slime mold has enabled a team of astronomers and computer scientists at UC Santa Cruz to trace the filaments of the cosmic web that connects galaxies throughout the universe. (2020-03-10)

Taking the temperature of dark matter
Warm, cold, just right? Physicists at UC Davis are using gravitational lensing to take the temperature of dark matter, the mysterious substance that makes up about a quarter of our universe. (2020-01-15)

ESO observations reveal black holes' breakfast at the cosmic dawn
Astronomers using ESO's Very Large Telescope have observed reservoirs of cool gas around some of the earliest galaxies in the universe. These gas halos are the perfect food for supermassive black holes at the center of these galaxies, which are now seen as they were over 12.5 billion years ago. This food storage might explain how these cosmic monsters grew so fast during a period in the universe's history known as the Cosmic Dawn. (2019-12-19)

Ancient gas cloud reveals universe's first stars formed quickly
The discovery of a 13 billion-year-old cosmic cloud of gas enabled a team of Carnegie astronomers to perform the earliest-ever measurement of how the universe was enriched with a diversity of chemical elements. Their findings reveal that the first generation of stars formed more quickly than previously thought. (2019-11-08)

Putting the 'bang' in the Big Bang
Physicists at MIT, Kenyon College, and elsewhere have simulated in detail an intermediary phase of the early universe that may have bridged cosmic inflation with the Big Bang. This phase, known as ''reheating,'' occurred at the end of cosmic inflation and involved processes that wrestled inflation's cold, uniform matter into the ultrahot, complex soup that was in place at the start of the Big Bang. (2019-10-25)

Milky Way raids intergalactic 'bank accounts,' Hubble study finds
Gas blown out of the Milky Way disk from exploding stars falls back onto the galaxy to form new generations of stars. In an effort to account for this recycling process, astronomers were surprised to find a surplus of incoming gas. (2019-10-10)

UMD-led study captures six galaxies undergoing sudden, dramatic transitions
A team of astronomers observed six mild-mannered LINER galaxies suddenly and surprisingly transforming into ravenous quasars -- home to the brightest of all active galactic nuclei. The team's observations could help demystify the nature of both LINERs and quasars while answering some burning questions about galactic evolution. Based on their analysis, the researchers suggest they have discovered an entirely new type of black hole activity at the centers of these six LINER galaxies. (2019-09-18)

From primordial black holes new clues to dark matter
Moving through cosmic forests and spider webs in deep space in search of answers on the origin of the Cosmos. 'We have tested a scenario in which dark matter is composed by non-stellar black holes, formed in the primordial Universe,' says Riccardo Murgia, lead author of the study published in Physical Review Letters. The research was carried out together with his colleagues Giulio Scelfo and Matteo Viel of SISSA and INFN and Alvise Raccanelli of CERN. (2019-09-17)

Space dragons: Researchers observe energy consumption in quasars
Researchers, for the first time, have observed the accelerated rate at which eight quasars consume interstellar fuel to feed their black holes. (2019-09-04)

Astronomers reveal true colors of evolving galactic beasts
Astronomers have identified a rare moment in the life of some of the universe's most energetic objects. (2019-08-07)

Spiraling filaments feed young galaxies
The Keck Cosmic Web Imager's improved sensitivity and resolution are giving astronomers a better look at galaxy mechanics. (2019-07-01)

Astrophysicist announces her discovery that could rewrite story of how galaxies die
Allison Kirkpatrick of the University of Kansas will announce a breakthrough finding that overturns assumptions about the maturation of galaxies and may represent a phase of every galaxy's life cycle that was unknown until now. (2019-06-12)

Fast and furious: detection of powerful winds driven by a supermassive black hole
This is the first publication based entirely on data obtained with EMIR, an instrument developed in the Instituto de Astrofísica de Canarias (IAC) which analyses the infrared light gathered by the Gran Telescopio Canarias (GTC) from the Roque de los Muchachos Observatory (Garafía, La Palma). (2019-06-07)

Astronomers find quasars are not nailed to the sky
Until recently, quasars were thought to have essentially fixed positions in the sky. While near-Earth objects move along complex trajectories, quasars are so remote that they were believed to offer stable and reliable reference points for use in navigation and plate tectonics research. Now, an international team of astrophysicists featuring researchers from the Moscow Institute of Physics and Technology has found that quasars are not entirely motionless and explained this behavior. (2019-04-24)

VLA makes first direct image of key feature of powerful radio galaxies
A dusty, doughnut-shaped feature long thought to be an essential part of the 'engines' at the cores of active galaxies is seen for the first time in one of the most powerful galaxies in the Universe. (2019-04-02)

Astronomers discover 83 supermassive black holes in the early universe
Astronomers from Japan, Taiwan and Princeton University have discovered 83 quasars powered by supermassive black holes that were formed when the universe was only 5 percent of its current age. (2019-03-13)

Seeing double could help resolve dispute about how fast the universe is expanding
How fast the universe is expanding has been puzzling astronomers for almost a century. Different studies keep coming up with different answers -- which has some researchers wondering if they've overlooked a key mechanism in the machinery that drives the cosmos. Now, by pioneering a new way to measure how quickly the cosmos is expanding, a team led by UCLA astronomers has taken a step toward resolving the debate. (2019-01-22)

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