Astronomers have captured unprecedented detail of cosmic gas in the Milky Way's Central Molecular Zone, revealing intricate chemistry and complex star-forming processes. The dataset provides a unique view of the raw material from which stars form, shedding light on galaxy evolution and the birth of massive stars.
Scientists have found that active galactic nuclei are two to six times more common in merging galaxies than non-merging counterparts. Galaxy mergers were most strongly associated with bright, dust-cloaked supermassive black holes linked to rapid growth.
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Astronomers discover galaxy Virgil with dual personality – ordinary in visible light but harboring massive black hole. JWST observations reveal hidden nature of Virgil, challenging current models of black hole formation.
Researchers at Goethe University Frankfurt used complex simulations to study the origin of powerful jets emitted by black holes. They discovered that magnetic reconnection is involved in extracting rotational energy and powering these jets.
Astronomers discovered a greedy white dwarf star consuming its closest celestial companion at an unprecedented rate. The study found that the super-dense white dwarf is burning brightly due to the mass transfer between the two stars, potentially leading to a massive explosion visible from Earth.
Astronomers have found nearly 100 examples of massive black holes devouring stars in galaxy cores. A new study reveals a stealth black hole tearing apart a star 2,600 light years away from the galaxy's central massive black hole.
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A team of researchers at Nagoya University has discovered a fast-moving, high-temperature gas flow in the center of the Centaurus cluster of galaxies. This finding may solve the 'cooling flow problem', which explains why galaxy clusters appear to be warm despite emitting X-rays.
Researchers found that AGN radiation can have a paradoxically nurturing effect on life, especially when oxygen levels are present, allowing the planet's protective ozone layer to grow and shield it from radiation. This process can help ensure life's success, but its effects depend on how close the planet is to the source of radiation.
Astronomers have discovered a rare spiral-shaped galaxy hosting a young jet, challenging the conventional wisdom on quasar formation. The galaxy, J0742+2704, features a supermassive black hole and brilliant hot disks of swirling gas that can blast off jets of material.
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Scientists have discovered birth sites of gigantic elliptical galaxies, suggesting large gas flows and galaxy collisions created these ancient systems. The research, published in Nature, may finally unravel the enigma of how these giant galaxies formed.
The EHT Collaboration has conducted test observations using ALMA and other facilities to detect light from distant galaxies at a frequency of around 345 GHz. The Collaboration achieved the highest resolution ever obtained from the surface of Earth, detecting details as fine as 19 microarcseconds.
A new study published in the Astrophysical Journal has found that galaxies in denser environments are up to 25% larger than isolated galaxies. Researchers used a machine learning tool to analyze millions of galaxies and found a clear trend: galaxies with more neighbors are also on average larger.
Researchers characterize 106 dim blazars to test the blazar sequence theory, exploring black hole growth and general relativity. The study reveals that lower-energy peaks for dim blazars peak in blue, higher-energy light, extending current knowledge of the pattern.
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An international research team explores ultra-fast gas emissions from active galactic nuclei, which significantly change galaxy ecosystems. The study confirms the existence of these powerful emissions and their role in regulating star formation.
Astronomers have observed for the first time the shadow of a black hole and the powerful jet expelled from it in the same image. The new image shows how the base of the jet connects with the matter swirling around a supermassive black hole, allowing scientists to better understand how black holes create energetic jets.
A team of astronomers has developed a new technique to detect active black holes in galaxies, measuring their impact on galaxy evolution. The method can be applied to millions of galaxies, searching for bright supermassive black holes at the centre of galaxies and studying their effect on star formation.
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A new study suggests that a gravitational 'kick' from colliding supermassive black holes could be responsible for the strange shape of stars at the center of the Andromeda Galaxy. The team used computer simulations to track the consequences of such a merger, finding that it could knock millions of stars into wonky orbits.
An international team of astrophysicists has created the most complete atlas of nuclear rings, which are enormous star-forming ring-shaped regions that circle certain galactic nuclei. The catalogue includes 113 such rings in 107 galaxies and provides insights into their properties and relationships with galaxy structure.