Search results for “Intergalactic”

Ultrahigh-energy cosmic messengers may carry ultraheavy secrets

A sea of light: HETDEX astronomers reveal hidden structures in the young universe

Astronomers have used Line Intensity Mapping to create the largest and most accurate 3D map of Lyman alpha emissions in the early universe, adding nuance to the formation of galaxies. The map reveals the location of fainter galaxies and gas, providing insight into the evolution of galaxies and the role of intergalactic gas.

UC Riverside scientists win 2025 Buchalter Cosmology Prize

Researchers found that reionization-driven turbulence can power the turbulent dynamo, amplifying weak magnetic fields over time. This mechanism relies on established physics rather than exotic particles or forces, explaining the origin of intergalactic magnetic fields.

Scientists recreate cosmic “fireballs” to probe mystery of missing gamma rays

Researchers create plasma 'fireballs' using a laboratory analogue of blazar-driven pair cascades, finding no disruption from beam-plasma instabilities. This suggests that intergalactic medium contains a relic magnetic field likely seeded during the early Universe.

Dwarf galaxies linked by massive intergalactic gas bridge

Astronomers have made a groundbreaking discovery of a colossal bridge of neutral hydrogen gas linking two dwarf galaxies. The Virgo cluster plays a significant role in this phenomenon.

Intergalactic experiment: Researchers hunt for mysterious dark matter particle with clever new trick

Physicists from the University of Copenhagen have discovered a step-like signature that resembles the signature of an elusive axion particle using galaxy clusters. This method has greatly increased what we know about axions, allowing researchers to narrow down the space where it can be found.

Understanding why galaxy clusters are warm may explain the origin of giant interstellar structures

A team of researchers at Nagoya University has discovered a fast-moving, high-temperature gas flow in the center of the Centaurus cluster of galaxies. This finding may solve the 'cooling flow problem', which explains why galaxy clusters appear to be warm despite emitting X-rays.

Galaxies die earlier than expected

A recent discovery reveals that massive quiescent galaxies formed even earlier and more rapidly than previously thought. The study found a galaxy named RUBIES-UDS-QG-z7, which formed a stellar mass of over 10 billion solar masses within the first 600 million years after the Big Bang before ceasing star formation.

Small, faint and 'unexpected in a lot of different ways': U-M astronomers make galactic discovery

Researchers found Andromeda XXXV, the smallest and dimmest satellite galaxy to date, which challenges our understanding of galaxy formation and evolution. The discovery provides new insights into how galaxies survive different epochs of the universe.

The carbon in our bodies probably left the galaxy and came back on cosmic ‘conveyer belt’

A team of scientists found that carbon and other star-formed atoms don't just drift through space, but are pushed out by giant currents into intergalactic space. These atoms can eventually be pulled back in to form new stars, planets, and moons.

Astronomers close to solving mystery of how universe’s giant galaxies formed

Scientists have discovered birth sites of gigantic elliptical galaxies, suggesting large gas flows and galaxy collisions created these ancient systems. The research, published in Nature, may finally unravel the enigma of how these giant galaxies formed.

Bubbling, frothing and sloshing: Long-hypothesized plasma instabilities finally observed

Scientists at the DOE's Princeton Plasma Physics Laboratory have directly observed magneto-Rayleigh Taylor instabilities in plasma, which could aid in understanding how black holes produce vast intergalactic jets. The observation confirms that magnetic fields play a crucial role in forming these jets.

Galaxies actively forming in early universe caught feeding on cold gas

Researchers analyzing James Webb Space Telescope data have pinpointed three galaxies actively forming at 400-600 million years old. These galaxies are surrounded by hydrogen and helium gas that will fuel star formation.

Giant galactic explosion exposes galaxy pollution in action

Astronomers have produced the first high-resolution map of a massive explosion in a nearby galaxy, revealing a gas outflow that would take 20,000 years to travel across the galaxy. The discovery provides important clues on how space between galaxies is polluted with chemical elements.

Rethinking galactic origins through heavy-element mapping challenges conventional theory

Researchers at Nagoya University discovered IVCs have lower heavy elements than previously reported, contradicting the Galactic Fountain Model. This finding suggests that particles in these clouds originated outside our galaxy, leading to new insights into galaxy evolution.

'Cosmic lighthouses' that cleared primordial fog identified with JWST

The study reveals small galaxies produced a significant amount of ionizing photons, exceeding the threshold required for reionization. This suggests low-mass galaxies were strong candidates for sparking the process by heating and ionizing the surrounding gas.

Gas on the run – ALMA spots the shadow of a molecular outflow from a quasar when the Universe was less than one billion years old

Researchers observed molecular gas outflow from quasar J2054-0005 using ALMA, revealing suppression of star formation in its host galaxy. The findings confirm theoretical predictions and provide strong evidence for powerful molecular gas outflows in early Universe quasars.

UTSA researchers reveal faint features in galaxy NGC 5728 though JWST image techniques

Researchers at UTSA's Department of Physics and Astronomy have used deconvolution algorithms to enhance images of galaxy NGC 5728 obtained by the James Webb Space Telescope. The study reveals a faint extended feature that could be part of an outflow from a supermassive black hole interacting with the host galaxy.

Observations from a bright fast radio burst probe the distant universe

A bright fast radio burst has been detected at a high-redshift galaxy, providing new insights into the distant universe. The findings suggest that the burst was unusually energetic and challenged models of FRB emission mechanisms.

Researchers discover quasar-driven superbubble pairs

Researchers have discovered quasar-driven superbubble pairs, providing evidence for the outflow mechanism in galaxy evolution. These pairs, which extend over 60,000 light-years, are generated by quasars driving gas into intergalactic space.

Recycled gas feeds a massive galaxy in the early Universe

Scientists observe streams of intergalactic gas enriched with elements heavier than helium surrounding a massive galaxy. The findings suggest that the gas was recycled during earlier periods of star formation and is now fueling the galaxy's rapid growth.

*Free* JWST imaging and spectroscopy of compact galaxy at redshift 9.5 determine some of its physical properties

A recent study using JWST observations of a compact galaxy at redshift 9.5 has provided insights into its physical properties. The analysis reveals that the galaxy has a remarkably small radius of 16.2 parsecs, suggesting high density star formation and an abundance of oxygen and hydrogen.

Hubble sees possible runaway black hole creating a trail of stars

Astronomers have discovered a massive, runaway black hole that has left behind a never-before-seen trail of newborn stars. The black hole, weighing as much as 20 million Suns, is plowing into gas to trigger new star formation along a narrow corridor.

Revealed: Expansive intergalactic stream of cold cosmic carbon feeding a massive galaxy

Researchers have detected a cold stream of atomic carbon gas feeding star formation in a massive radio galaxy. The findings support theoretical models and offer insights into the origins of cosmic materials enabling galaxy evolution.

How cosmic winds transform galactic environments

Researchers modeled how elements move across star-forming regions, finding that galactic winds influence temperature and metal distribution. The study's findings suggest a non-spherical wind pattern, contrary to previous spherical models.

Researchers uncover the first bubble in an intergalactic stew

A team of researchers found the earliest evidence of heated gas in a galaxy protocluster, indicating temperatures characteristic of the present-day 'Warm-Hot Intergalactic Medium'. This discovery provides insight into the mechanisms that caused the intergalactic gas to boil up and offers a unique window into the early universe.

Intergalactic gas brings supermassive black holes at the heart of galaxies to life

A new study reveals that intergalactic gas can activate and feed supermassive black holes at the heart of galaxies. The researchers found a direct connection between gas outside galaxies and active supermassive black holes, with misaligned gas playing a significant role in their growth.

Massive fuel hungry black holes feed off intergalactic gas

A research team from the University of Southampton discovered that supermassive black holes are fueled by gas clouds from neighboring galaxies. The study found a link between misaligned gas and active supermassive black hole activity, suggesting that galaxy interactions provide a source of fuel for these phenomena.

Scientists find new hints that dark matter could be made up of dark photons

Researchers have found a possible explanation for the discrepancy between observations and simulations in the cosmic web. By using low-redshift intergalactic medium data as a calorimeter, they discovered that ultralight dark photons could provide an additional heating mechanism to reconcile the difference.

The James Webb telescope produces an unparalleled view of the ghostly light in galaxy clusters

The James Webb telescope has observed the intracluster light in galaxy clusters with unprecedented detail, revealing insights into galaxy formation and dark matter. The study demonstrates the potential of JWST for analyzing faint structures like ICL, which can help understand cluster dynamics.

WALLABY builds an intergalactic map in the outback

The WALLABY survey has mapped over 600 galaxies, including many new discoveries, and will catalog over a quarter of a million galaxies to measure dark-matter distribution and galaxy evolution. The radio telescope's ability to peer through stars and dust in the Milky Way enables scientists to study the universe at unprecedented scales.

FAST discovers largest atomic gas structure around a galaxy group

A team of researchers using the Five-hundred-meter Aperture Spherical Telescope (FAST) has discovered a massive atomic gas structure, approximately 2 million light years in length, surrounding the compact group of galaxies Stephan's Quintet. This finding challenges current theories on galaxy-group formation and evolution.

Gemini telescopes help uncover origins of castaway gamma-ray bursts

Astronomers have found that short gamma-ray bursts did not originate as castaways, but instead occurred in distant galaxies up to 10 billion light-years away. The discovery suggests that these events may have been more common in the past than expected and could have seeded the Universe with precious metals.

Unravel the mystery of the quasar’s "anisotropic" effects on surrounding gas

A team of researchers found that the internal donut-shaped structure of quasars can affect the ionization level of intergalactic gas in different directions. The study suggests that a dust torus is likely to be responsible for this anisotropic effect.

Rapid-fire fast radio burst shows hot space between galaxies

Astronomers have discovered a rare and persistent rapid-fire fast radio burst source, sending out an occasional cosmic ping from over 3.5 billion light years away. The burst, named FRB 20190520B, has encountered far more gas in its host galaxy than expected, challenging previous assumptions about the intergalactic medium.

Strange radio burst raises new questions

Scientists have discovered a repeating Fast Radio Burst (FRB) with a compact source of weaker but persistent radio emission, raising new questions about the nature of these mysterious objects. The discovery challenges the usefulness of FRBs as tools for studying intergalactic space.

UCI-led astronomy team finds evidence of galactic metal shrouded in dust

An international team analyzed infrared data from five dim galaxies, revealing no significant metal deficiency, contrary to earlier studies. The findings suggest heavy dust obscuration associated with starburst as the cause.

Black holes helped quenching star formation in the early Universe

A team of astronomers found that black holes played a crucial role in preventing rejuvenated star formation in massive quiescent galaxies. By analyzing the combined light from thousands of galaxies, they discovered a low-luminosity active galactic nucleus that may have heated the galaxy's gas, preventing new stars from forming.

UCI-led astronomy team finds evidence of galactic metal shrouded in dust

An international team analyzed five ultraluminous galaxies with dim visible wavelengths, finding no significant metal deficiency when observed in infrared wavelengths. The study reveals that these galaxies have a metallicity consistent with the fundamental metallicity relation determined by stellar mass and star formation rate.

Astronomers identify potential clue to reinonization of universe

Researchers found a powerful black hole in a nearby galaxy that may have played a key role in the universe's reionization process. The discovery sheds light on how the first stars and galaxies formed, with implications for our understanding of the universe's evolution.

Waste of space

Researchers have discovered a way to manipulate orbiting debris with spinning magnets, allowing for gentler maneuvering and potential repair of malfunctioning objects. The technology has the potential to help clear space junk from Earth's orbit and extend the life of satellites.

Volcanic memories: black holes give shape to bubbles, rings and "intergalactic smoke" filaments

A team of researchers observed the evolution of warm gas coming from an active black hole for unprecedented detail, revealing structures reminiscent of volcanic eruptions. These gas bubbles, rings, and 'intergalactic smoke' filaments are formed when black holes consume surrounding matter and release energy, influencing galaxy evolution.

Hubble finds distant galaxies that ran out of fuel

A team of astronomers has observed six massive galaxies in the early universe that have mysteriously stopped forming stars due to depleted gas reserves. The discovery was made possible by the Hubble Space Telescope's high resolution and gravitational lensing, allowing researchers to study these galaxies in unprecedented detail.

Rerun of supernova blast expected to appear in 2037

Astronomers predict a supernova, dubbed Supernova Requiem, will reappear in the sky around 2037. The rebroadcast is expected to be visible through advanced telescopes, providing an opportunity for scientists to study its behavior.

Surprise: the Milky Way is not homogeneous

New research reveals that the Milky Way's environment is not evenly mixed with metals and dust, contrary to previous models. This discovery has significant implications for our understanding of galaxy formation and evolution.

How disorderly young galaxies grow up and mature

A supercomputer simulation reveals that interstellar frontal collisions lead to the maturation of young galaxies. The study shows how these chaotic galaxies eventually form stable spiral galaxies with similar populations of stars as the Milky Way.

Cosmic rays may be key to understanding galactic dynamics

Recent studies suggest that cosmic rays, originating from supernova remnants and pulsars, have a significant impact on galactic dynamics and star formation. The streaming instability triggered by cosmic rays in the interstellar medium can create plasma waves that heat and scatter gas, influencing the formation of planets and stars.

Scientists explain the behaviour of the optical emission of blazars

Researchers have found that the polarisation plane of visible light in blazars sometimes rotates, coinciding with repeated gamma ray bursts. The study also described the structure of the inner part of the jets, revealing a fast spine surrounded by a slower sheath with ring condensations.

NASA's Webb will use quasars to unlock the secrets of the early universe

Scientists will use six distant quasars to study galaxy evolution, supermassive black hole formation, and gas in the intergalactic medium. The team will examine the properties of these quasars and their host galaxies during the first stages of galaxy evolution.

Black holes help with star birth

Satellite galaxies that orbit massive central galaxies can form new stars due to active black holes clearing their path through intergalactic gas. Researchers used systematic observations and cosmological simulations to find this counter-intuitive effect.

Missing baryons found in far-out reaches of galactic halos

Researchers used cosmic microwave background data to map location and density of missing baryons around galaxy groups. The measurements reveal that these halos extend up to 6 million light-years from their center, challenging previous models.

Big galaxies steal star-forming gas from their smaller neighbours

Research reveals large galaxies steal molecular gas from smaller satellite galaxies, impacting star formation rates. The study provides new systematic evidence of gas loss through ram pressure stripping, leading to galaxy stagnation without gas acquisition.

Galaxy mergers could limit star formation

A new study by Durham University and colleagues suggests that galaxy mergers could shut down star formation in the early universe, affecting galaxy growth. The researchers observed a massive galaxy, ID2299, which ejected half of its gas into the intergalactic medium due to the merger.

Longest intergalactic gas filament discovered

A team from University of Bonn observed a 50 million light year long gas filament, confirming the structure predicted by computer simulations. The findings suggest that more than half of matter in the universe is hidden in filaments.

Image release: Galaxies in the Perseus Cluster

Astronomers used the VLA to study how a crowded environment affects galaxies in the Perseus Cluster. The research reveals complex filamentary structures in radio lobes and bending of jets due to motion through intergalactic material, providing new insights into galaxy clusters.

Hubble watches exploding star fade into oblivion

Hubble observed SN 2018gv in February 2018 to precisely measure the universe's expansion rate. The supernova serves as a 'milepost marker' to calculate galaxy distances and fundamental values needed for measuring space expansion.

Cosmic bursts unveil universe's missing matter

Researchers have found all of the missing 'normal' matter in the vast space between stars and galaxies, using fast radio bursts. The phenomenon allowed them to directly detect the missing matter, which is equivalent to only one or two atoms in a room the size of an average office.

Astronomers use slime mould to map the universe's largest structures

Researchers used a computer algorithm inspired by slime mould to create a three-dimensional map of the cosmic web structure in the local Universe. The analysis revealed that intergalactic gas is organised into filaments and detected at distances over 10 million light-years from galaxies.

Slime mold simulations used to map dark matter holding universe together

Researchers have successfully mapped the cosmic web's filamentary structure using a slime mold-inspired algorithm, providing insights into dark matter's role in shaping the universe. The study revealed that denser regions of intergalactic gas are organized into filaments that stretch over 10 million light-years from galaxies.

Discovery points to origin of mysterious ultraviolet radiation

A new study has found that the energy source behind mysterious ultraviolet radiation is likely star-forming galaxies, which are producing gigantic clouds of hydrogen gas that emit Lyman-alpha light. The study's findings suggest that infalling hydrogen gas originates in the intergalactic medium rather than the galaxy itself.