tldrdailynews.com logo
Tag

Galaxy Merger

All articles tagged with #galaxy merger

Cosmic Tug-of-War: Antennae Galaxies Dazzle in Merging Dance
space14 days ago

Cosmic Tug-of-War: Antennae Galaxies Dazzle in Merging Dance

Astrophotographer Greg Meyer captured a near-21-hour deep-space image of the Antennae Galaxies (NGC 4038/NGC 4039) in Corvus as they violently merge into a single elliptical galaxy, revealing orange-yellow cores, tangled dust, and sweeping tidal tails that fuel bursts of star formation; shot with a Sky-Watcher Esprit 120 at Starfront Observatory in Texas, the photo highlights the dramatic gravitational tug-of-war and the likely dispersion of most newly formed star clusters over time.

via Space|
#antennae-galaxies#astrophotography#galaxy-merger
Gigamaser Beacon Detected From 8 Billion Light-Years Away by MeerKAT
science27 days ago

Gigamaser Beacon Detected From 8 Billion Light-Years Away by MeerKAT

Astronomers using the MeerKAT radio telescope detected a bright, narrow 18-centimeter hydroxyl emission line from the distant galaxy system HATLAS J142935.3-002836 at z=1.027 (about 8 billion light-years away). The signal is amplified by a foreground galaxy’s gravitational lensing and the background merger’s dense, energized gas, pushing it toward megamaser/gigamaser levels. The rapid detection in a few hours demonstrates MeerKAT’s capability to find distant hydroxyl emitters in wide surveys.

via The Daily Galaxy|
#galaxy-merger#gravitational-lensing#hatlas-j1429353-002836
Cosmic laser beacon: brightest megamaser seen from 8 billion light-years away via gravitational lensing
space1 month ago

Cosmic laser beacon: brightest megamaser seen from 8 billion light-years away via gravitational lensing

Astronomers using the MeerKAT radio telescope have detected the brightest and most distant hydroxyl megamaser from a galaxy merger about 8 billion light-years away. The signal, amplified by gravitational lensing, may qualify as a gigamaser and provides a rare beacon to study how ancient galaxies form and evolve; scientists hope to find many more such megamasers to map the cosmos’s history.

via Live Science|
#galaxy-merger#gravitational-lensing#hydroxyl
Gigamaser: The Universe’s Brightest Microwave Laser Detected in Deep Space
space-and-spaceflight1 month ago

Gigamaser: The Universe’s Brightest Microwave Laser Detected in Deep Space

Astronomers using the MeerKAT radio telescope spotted an extremely bright hydroxyl maser in the distant galaxy merger H-ATLAS J142935.3–002836, whose signal was amplified by an unrelated foreground galaxy acting as a gravitational lens, yielding the first gigamaser—about 100,000 times the luminosity of a star—and enabling new ways to probe cosmic evolution from billions of light-years away.

via Gizmodo|
#galaxy-merger#gigamaser#gravitational-lensing
Scientists Discover First Active Triple Black Hole System in Galaxy Merger
science3 months ago

Scientists Discover First Active Triple Black Hole System in Galaxy Merger

Astronomers have confirmed the first known system where three galaxies, each hosting active supermassive black holes, are merging, providing new insights into galaxy and black hole evolution through high-resolution radio imaging. The system, located 1.2 billion light-years away, shows all three black holes actively feeding and launching jets, a rare and significant discovery that advances our understanding of cosmic growth processes.

via Indian Defence Review|
#agn#black-holes#cosmic-collision