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Astronomy Nov 19, 2025

Y1 is an ultra-luminous infrared galaxy, ALMA observations reveal

Using the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of astronomers has inspected a distant galaxy designated MACS0416_Y1. Results of the observations, presented Nov. 11 on the arXiv pre-print ...

Astronomy Nov 18, 2025

Searching for exoplanets in the remnants of a dwarf galaxy

Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far. Scientists are even beginning to move beyond mere detections, and working on characterizing other characteristics ...

Astronomy Nov 18, 2025

Deep imaging suggests isolated galaxy forms stars without signs of past mergers

Using the Two-meter Twin Telescope (TTT3), Spanish astronomers have conducted deep optical imaging of an isolated dwarf galaxy known as NGC 6789. Results of the new observations, presented November 10 on the arXiv preprint ...

Astronomy Nov 14, 2025

Shocked galaxy clusters: Unraveling the mysteries of radio relics

Galaxy clusters are the largest gravitationally bound structures in the universe, with each containing hundreds or even thousands of galaxies. When two of these giants collide, they send powerful shock waves through one another, ...

Astronomy Nov 13, 2025

Euclid's first data release sheds light on galaxy evolution

The ESA's Euclid space telescope has been in space for just over a year, investigating some of the deepest mysteries of the cosmos. By observing cosmic structures up to a distance of 10 billion light-years, the observatory ...

Astronomy Nov 13, 2025

Exploring the origin of a distant Type Ibn supernova found far from its host galaxy

An international team of astronomers has performed photometric and spectroscopic observations of a distant Type Ibn supernova known as SN 2024acyl. Results of the observational campaign, published November 6 on the arXiv ...

Astronomy Nov 6, 2025

SXDF-NB1006-2 is a young starburst galaxy experiencing ionized gas outflows, observations find

An international team of astronomers has employed the James Webb Space Telescope (JWST) to observe a distant galaxy designated SXDF-NB1006-2. As a result, they found that SXDF-NB1006-2 is a young starburst galaxy that experiences ...

Astronomy Nov 3, 2025

Pixelized galaxy cluster strong lens modeling improves precision of Hubble constant measurement

For the first time, an international research team led by the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences has demonstrated that applying pixelized strong-lensing modeling on a galaxy cluster ...

Astronomy Oct 29, 2025

Simulations reveal how black hole collisions trigger flashes in distant galaxy

For the first time, scientists have the calculations and simulations to explain mysterious flashes from the galaxy OJ 287. Roughly twice every 12 years, from 3.5 billion light years away, the light equivalent of 1 trillion ...

Astronomy Oct 28, 2025

A new, expansive view of the Milky Way reveals our galaxy in unprecedented radio color

Astronomers from the International Centre of Radio Astronomy Research (ICRAR) have created the largest low-frequency radio color image of the Milky Way ever assembled. This spectacular new image captures the Southern Hemisphere ...

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