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New study reveals potential link between two of astronomy’s most mysterious phenomena

Researchers have discovered a possible correlation between gravitational waves from neutron star mergers and fast radio bursts, two phenomena long shrouded in mystery. The study found that an observed FRB occurred just 2 ½ hours after a neutron star merger event, suggesting a potential link between the two events.

SourceUniversity of Nevada, Las Vegas·JournalNature Astronomy·TypeObservational study·DateMar 27, 2023

Astronomers detect radio recombination lines of carbon/oxygen ions for first time

Researchers from Shanghai Astronomical Observatory detect radio recombination lines of carbon and oxygen ions for the first time, using the TianMa 65-m Radio Telescope. The discovery allows for accurate measurement of element abundances and has significant implications for studying interstellar chemistry and molecular formation.

SourceChinese Academy of Sciences Headquarters·JournalAstronomy and Astrophysics·DateMar 6, 2023

Tracing 13 billion years of history by the light of ancient quasars

Researchers studying ancient quasars have discovered a rapid increase in warm carbon around 13 billion years ago, potentially linked to the 'Epoch of Reionisation' and large-scale heating of gas. This finding provides new insights into the evolution of the universe's chemical composition.

SourceARC Centre of Excellence for All Sky Astrophysics in 3D (ASTRO 3D)·JournalMonthly Notices of the Royal Astronomical Society·TypeObservational study·DateMar 6, 2023

Ultracool dwarf binary stars break records

Astronomers have discovered the tightest ultracool dwarf binary system ever observed, consisting of two stars that orbit each other in less than one Earth day. The newly discovered LP 413-53AB system is estimated to be billions of years old, similar to our sun, and has an orbital period three times shorter than previous discoveries.

SourceNorthwestern University·JournalThe Astrophysical Journal Letters·TypeObservational study·DateMar 1, 2023

Rare quasar triplet forms most massive object in universe

A rare quasar triplet formed a massive black hole with a mass of 10 billion solar masses, according to recent simulations. The triple system, composed of three galaxies with supermassive black holes at their centers, is believed to be the progenitor of ultra-massive black holes.

SourceUniversity of Texas at Austin, Texas Advanced Computing Center·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateMar 1, 2023

1st observational evidence linking black holes to dark energy

A team of researchers has discovered evidence of 'cosmological coupling' between black holes and the universe's expanding energy. By studying supermassive black holes in ancient galaxies, they found that these black holes gain mass over billions of years, matching predictions for black holes that cosmologically couple with vacuum energy.

SourceUniversity of Hawaii at Manoa·JournalThe Astrophysical Journal Letters·TypeObservational study·DateFeb 15, 2023

Simulations reproduce complex fluctuations in soft X-ray signal detected by satellites

A team of researchers has successfully modeled the complex fluctuations in soft X-ray signals detected by satellites using numerical methods. They were able to capture how the signal varied with the orbital motion of the satellite and reproduce it up to a factor of two, an impressive feat in the field.

SourceTokyo Metropolitan University·JournalPublications of the Astronomical Society of Japan·DateJan 28, 2023

Scientists offer a new explanation for a mystery surrounding Jupiter’s two massive asteroid swarms

An international team of scientists suggests that an outward, fast migration of Jupiter can distort the configuration of Trojan swarms, resulting in more stable orbits in one swarm than the other. This new mechanism provides a natural explanation for the observed asymmetry in the number of asteroids in the L4 and L5 swarms.

SourceNew York University·JournalAstronomy and Astrophysics·DateJan 17, 2023

Astronomers capture radio signal from distant galaxy

Researchers detect radio signal from record-breaking distance galaxy, measuring gas composition and gaining insights into the early universe. The signal was amplified by a factor of 30 using gravitational lensing, allowing scientists to study a previously inaccessible region.

SourceMcGill University·JournalMonthly Notices of the Royal Astronomical Society·TypeComputational simulation/modeling·DateJan 16, 2023

Kepler's first exoplanet is spiraling toward its doom

Researchers have observed an exoplanet whose orbit is decaying around an aging star, providing the first look at a solar system this late in its life cycle. The doomed world, Kepler-1658b, has less than 3 million years left before colliding with its expanding star.

SourcePrinceton University·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateDec 19, 2022

Machine learning reveals how black holes grow

Using supercomputers and machine learning, researchers created simulations of millions of computer-generated universes to test astrophysical predictions. The study found that supermassive black holes grow in the same way as their host galaxies, revealing a long-elusive relationship.

SourceUniversity of Arizona·JournalMonthly Notices of the Royal Astronomical Society·TypeData/statistical analysis·DateDec 14, 2022

Discovering rare red spiral galaxy population from early universe with the James Webb Space Telescope

The James Webb Space Telescope has captured infrared images of a population of red spiral galaxies at unprecedented resolution, revealing their morphology in detail. These galaxies are among the farthest known spiral galaxies and suggest that such spiral galaxies existed in large numbers in the early universe.

SourceWaseda University·JournalThe Astrophysical Journal Letters·TypeImaging analysis·DateDec 12, 2022

NASA missions probe game-changing cosmic explosion

The event challenged scientists' understanding of gamma-ray bursts (GRBs), which are the most powerful events in the universe. The burst's high-energy light and kilonova visible and infrared light were detected by NASA's Swift Observatory and Fermi Gamma-ray Space Telescope, providing new insights into how heavy elements are created.

SourceNASA/Goddard Space Flight Center·JournalNature·TypeObservational study·DateDec 7, 2022

Unusual gamma-ray burst reveals previously undetected hybrid neutron-star merger event

A recent astronomical observation supports theoretical modeling, revealing a new observational fingerprint of neutron-star mergers that may shed light on the production of heavy elements throughout the universe. The detection pushes our understanding of gamma-ray bursts to the limits and breaks the standard idea of these events.

SourceDOE/Los Alamos National Laboratory·JournalNature·TypeObservational study·DateDec 7, 2022

Death of a star reveals midsize black hole lurking in a dwarf galaxy

Astronomers used the Young Supernova Experiment to detect an intermediate-mass black hole in a dwarf galaxy, revealing its mass and providing insight into supermassive black hole growth. The study aims to improve understanding of black hole-galaxy relationships and inform theories on supermassive black hole formation.

SourceUniversity of California - Santa Cruz·JournalNature Astronomy·TypeObservational study·DateNov 10, 2022

Polarized X-rays reveal shape, orientation of extremely hot matter around black hole

Researchers use polarized X-ray measurements to refine models of black holes swallowing matter. The new data from Cygnus X-1 reveals a pencil-shaped plasma outflow and supports the hypothesis that processes near the black hole launch jets. This insight improves understanding of gravity's effects on space-time around black holes.

SourceWashington University in St. Louis·JournalScience·TypeExperimental study·DateNov 3, 2022

Revealed: oldest star clusters in the universe

A team of astronomers used the James Webb Telescope to identify five ancient globular clusters, potentially containing the first and oldest stars in the universe. The clusters were formed close to the Big Bang, offering insights into star formation and galaxy evolution.

SourceUniversity of Toronto·JournalThe Astrophysical Journal Letters·TypeObservational study·DateNov 2, 2022

Largest potentially hazardous asteroid detected in eight years

An international team has discovered three near-Earth asteroids, including one that is 1.5 kilometers wide and may someday threaten Earth's path. The observations were made possible by the unique capabilities of the Dark Energy Camera mounted on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory.

SourceAssociation of Universities for Research in Astronomy (AURA)·JournalThe Astronomical Journal·TypeObservational study·DateOct 31, 2022

Astronomy: Observation puzzles researchers

Researchers investigated open star clusters, finding they dissolve faster than predicted by Newton's laws. The team developed a new method to count stars in tidal tails, revealing a significant difference in the number of stars between the front and rear tails.

SourceUniversity of Bonn·JournalMonthly Notices of the Royal Astronomical Society·DateOct 26, 2022

James Webb Space Telescope reveals new surprises on galaxy organic molecules near black holes

The James Webb Space Telescope has discovered that polycyclic aromatic hydrocarbons (PAHs) can survive in the vicinity of supermassive black holes at the centers of active galaxies. This challenges previous studies that predicted their destruction, and reveals new insights into galaxy evolution.

SourceUniversity of Oxford·JournalAstronomy and Astrophysics·TypeData/statistical analysis·DateOct 11, 2022

Laughing gas in space could mean life

Researchers propose nitrous oxide as a potential biosignature for exoplanets, detectable by the James Webb Space Telescope. They modeled N2O production on Earth-like planets and found it could be comparable to CO2 or methane in star systems like TRAPPIST-1.

SourceUniversity of California - Riverside·JournalThe Astrophysical Journal·TypeComputational simulation/modeling·DateOct 4, 2022

Dozens of newly discovered gravitational lenses could reveal ancient galaxies and the nature of dark matter

Scientists have confirmed 68 strong gravitational lenses, transforming our understanding of galaxy evolution and dark matter. The discovery uses machine learning algorithms to identify thousands of potential lenses, opening a new window into studying mass distribution in distant galaxies.

SourceARC Centre of Excellence for All Sky Astrophysics in 3D (ASTRO 3D)·JournalThe Astronomical Journal·TypeObservational study·DateSep 26, 2022

Astronomers unveil new – and puzzling – features of mysterious fast radio bursts

A new study by an international team of scientists has discovered a complex, dynamically evolving, magnetized environment around a fast radio burst source. The findings challenge current understanding and suggest that the source may be located in a region without significant star-forming activity, defying expectations.

SourceUniversity of Nevada, Las Vegas·JournalNature·TypeObservational study·DateSep 21, 2022

The photon ring: A black hole ready for its close-up

A team of researchers used sophisticated imaging algorithms to reveal a thin, bright ring of light created by photons flung around the back of a supermassive black hole. The photon ring, comprising increasingly sharp sub-rings, confirms theoretical predictions and offers new ways to explore these mysterious objects.

SourceUniversity of Waterloo·JournalThe Astrophysical Journal·DateAug 16, 2022

Hubble sees red supergiant star Betelgeuse slowly recovering after blowing its top

Astronomers have concluded that Betelgeuse blew its top in 2019, losing a substantial part of its visible surface and producing a gigantic Surface Mass Ejection (SME). The star is now slowly recovering from this catastrophic upheaval. The mass loss event is not necessarily the signal of an imminent explosion.

SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal·TypeObservational study·DateAug 11, 2022

No trace of dark matter halos

Researchers from the University of Bonn found that dwarf galaxies in one of Earth's nearest galaxy clusters show signs of disturbance without dark matter halos. The study's results contradict previous models, suggesting an alternative gravity theory might be more accurate.

SourceUniversity of Bonn·JournalMonthly Notices of the Royal Astronomical Society·DateAug 5, 2022