Search results for merging galaxies

Astronomy Apr 24, 2024

Black hole 'traffic jams' discovered in galactic centers by astronomers

An international study, led by researchers from Monash University, has revealed crucial insights into black hole dynamics within massive disks at the centers of galaxies.

Astronomy Apr 15, 2024

The brightest gamma ray burst ever seen came from a collapsing star

After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on the Neil Gehrels Swift Observatory and the Fermi Gamma-Ray Space Telescope on October 9th, 2022. ...

Astronomy Apr 12, 2024

New tidal stellar stream discovered with Gaia

By analyzing the data from ESA's Gaia satellite, Chinese astronomers have detected a new tidal stellar stream in the northern hemisphere, which has a low metallicity and a relatively high energy. The finding was reported ...

Astronomy Apr 12, 2024

Researchers confirm brightest gamma-ray burst of all time came from the collapse of a massive star

In October 2022, an international team of researchers, including Northwestern University astrophysicists, observed the brightest gamma-ray burst (GRB) ever recorded, GRB 221009A.

Other Apr 6, 2024

Saturday Citations: AI and the prisoner's dilemma; stellar cannibalism; evidence that EVs reduce atmospheric CO₂

While I was assembling and formatting all these links, we had a 4.8-magnitude earthquake here on the East Coast, so apologies in advance for any misaligned text. This week: Gravitationally accelerated stars! AIs that exhibit ...

Astronomy Apr 4, 2024

New research traces the fates of stars living near the Milky Way's central black hole

Despite their ancient ages, some stars orbiting the Milky Way's central supermassive black hole appear deceptively youthful. But unlike humans, who might appear rejuvenated from a fresh round of collagen injections, these ...

Astronomy Apr 4, 2024

Observations reveal complex morphology of Big Three Dragons

Using the James Webb Space Telescope (JWST) and the Atacama Large Millimeter/sub-millimeter Array (ALMA), an international team of astronomers has observed a merging galaxy system known as B14-65666, dubbed "Big Three Dragons." ...

Astronomy Apr 1, 2024

JWST observations explore molecular outflows of a nearby merging galaxy

Using the James Webb Space Telescope (JWST), an international team of astronomers has observed a nearby merging galaxy known as NGC 3256. Results of the observational campaign, presented March 21 on the pre-print server arXiv, ...

Astronomy Mar 26, 2024

Sleeping supermassive black holes awakened briefly by shredded stars

A new investigation into an obscure class of galaxies known as Compact Symmetric Objects, or CSOs, has revealed that these objects are not entirely what they seem. CSOs are active galaxies that host supermassive black holes ...

Astronomy Mar 22, 2024

Astronomers find evidence that blue supergiant stars can be formed by the merger of two stars

An international piece of research, led by the Instituto de Astrofísica de Canarias (IAC) has found clues to the nature of some of the brightest and hottest stars in our universe, called blue supergiants. Although these ...

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