Galaxy Collision
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Astronomers Detect Massive 'Cosmic Laser' 8 Billion Light-Years Away
Astronomers using MeerKAT have detected the most distant and powerful "cosmic laser" ever observed, offering new insights into galaxy mergers and the early Universe.
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NASA Captures Rare Neutron Star Collision In Tiny Distant Galaxy
Scientists believe this long stream of gas may have formed when several galaxies collided millions of years ago.
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Dramatic Planet Collision In Distant Galaxy May Explain How Earth's Moon Was Formed 4.5 Billion Years Ago
Scientists observe a dramatic collision between two planets, offering insights into the formation of Earth's Moon 4.5 billion years ago.
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NASA’s Chandra Spots Champagne Cluster Formed by a Massive Galaxy Collision
Discovered on New Year’s Eve 2020, the Champagne Cluster is a striking pair of colliding galaxy clusters revealed through combined X-ray and optical observations. NASA’s Chandra X-ray Observatory shows superheated gas stretched and distorted, exposing a massive cosmic collision hidden from visible light alone. Studied by UC Davis astronomers, t...
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NASA Spots Starquakes in a Red Giant Orbiting One of the Galaxy’s Quietest Black Holes
A red giant star orbiting a quiet black hole spins faster than expected, while internal vibrations reveal it is younger than its ancient chemistry suggests. These findings hint at a past stellar merger and challenge existing models of star evolution in low-metal environments. Future observations aim to confirm its complex cosmic history.
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Galaxy Collisions Found to Activate Supermassive Black Holes, Euclid Data Shows
Astronomers using ESA’s Euclid telescope and AI analysis have found that merging galaxies are significantly more likely to host active supermassive black holes. The gravitational chaos of a collision drives gas toward the galactic core, igniting AGN activity. This discovery strengthens the link between galaxy interactions and the energetic proces...
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Study Reveals The Mystery Behind Giant Radio Relics In The Universe
Based on these initial findings, the team further developed extremely high-resolution simulations called "shock-tubes."
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Flattened Dark Matter May Explain Mysterious Gamma-Ray Glow at Milky Way’s Core, Study Finds
Dark matter near the Milky Way’s center appears flattened, not spherical, according to new simulations. The discovery may explain a puzzling gamma-ray glow long observed by NASA’s Fermi telescope, reigniting theories that dark matter collisions produce high-energy radiation in the galaxy’s core
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JWST Finds Black Hole Between Galaxy Cores, Hinting at Rare Direct Collapse Birth
Using JWST, astronomers discovered a black hole between two galaxy cores in the Infinity Galaxy—possibly the first direct evidence of a black hole formed by gas collapse, not stellar death. This rare “heavy seed” black hole challenges standard models and could help explain how supermassive black holes appeared so soon after the Big Bang.
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"Cosmic Owl": James Webb Spots Rare Marvel Of Galaxy Collision
The Cosmic Owl provides insights into galaxy formation and growth, particularly in the early universe.
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Astronomers Detect Massive 'Cosmic Laser' 8 Billion Light-Years Away
Astronomers using MeerKAT have detected the most distant and powerful "cosmic laser" ever observed, offering new insights into galaxy mergers and the early Universe.
-
NASA Captures Rare Neutron Star Collision In Tiny Distant Galaxy
Scientists believe this long stream of gas may have formed when several galaxies collided millions of years ago.
-
Dramatic Planet Collision In Distant Galaxy May Explain How Earth's Moon Was Formed 4.5 Billion Years Ago
Scientists observe a dramatic collision between two planets, offering insights into the formation of Earth's Moon 4.5 billion years ago.
-
NASA’s Chandra Spots Champagne Cluster Formed by a Massive Galaxy Collision
Discovered on New Year’s Eve 2020, the Champagne Cluster is a striking pair of colliding galaxy clusters revealed through combined X-ray and optical observations. NASA’s Chandra X-ray Observatory shows superheated gas stretched and distorted, exposing a massive cosmic collision hidden from visible light alone. Studied by UC Davis astronomers, t...
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NASA Spots Starquakes in a Red Giant Orbiting One of the Galaxy’s Quietest Black Holes
A red giant star orbiting a quiet black hole spins faster than expected, while internal vibrations reveal it is younger than its ancient chemistry suggests. These findings hint at a past stellar merger and challenge existing models of star evolution in low-metal environments. Future observations aim to confirm its complex cosmic history.
-
Galaxy Collisions Found to Activate Supermassive Black Holes, Euclid Data Shows
Astronomers using ESA’s Euclid telescope and AI analysis have found that merging galaxies are significantly more likely to host active supermassive black holes. The gravitational chaos of a collision drives gas toward the galactic core, igniting AGN activity. This discovery strengthens the link between galaxy interactions and the energetic proces...
-
Study Reveals The Mystery Behind Giant Radio Relics In The Universe
Based on these initial findings, the team further developed extremely high-resolution simulations called "shock-tubes."
-
Flattened Dark Matter May Explain Mysterious Gamma-Ray Glow at Milky Way’s Core, Study Finds
Dark matter near the Milky Way’s center appears flattened, not spherical, according to new simulations. The discovery may explain a puzzling gamma-ray glow long observed by NASA’s Fermi telescope, reigniting theories that dark matter collisions produce high-energy radiation in the galaxy’s core
-
JWST Finds Black Hole Between Galaxy Cores, Hinting at Rare Direct Collapse Birth
Using JWST, astronomers discovered a black hole between two galaxy cores in the Infinity Galaxy—possibly the first direct evidence of a black hole formed by gas collapse, not stellar death. This rare “heavy seed” black hole challenges standard models and could help explain how supermassive black holes appeared so soon after the Big Bang.
-
"Cosmic Owl": James Webb Spots Rare Marvel Of Galaxy Collision
The Cosmic Owl provides insights into galaxy formation and growth, particularly in the early universe.
