Collapsing Stars May Power Gamma-Ray Bursts While Erasing Black Hole Singularities
Every black hole predicted by classical general relativity hides a fatal flaw at its center: a spacetime singularity, a point ...
Tag: high-energy astrophysics
Thermal-bw speeds isotropic gamma-ray pair-production calculations
The open-source Python package thermal-bw calculates isotropic gamma-ray absorption and secondary pair spectra, with a blackbody surrogate that achieves a ...
Four Giant Telescopes Now Hunt the Universe’s Most Violent Explosions
The four Large-Sized Telescopes of the Cherenkov Telescope Array Observatory were inaugurated on La Palma, forming the world's most sensitive ...
Black Holes Big and Small Follow the Same Universal Rule for Launching Jets
An international team co-led by an Institute for Advanced Study scholar has found that black holes of all masses launch ...
A 42-Light-Year X-Ray Tail Tracks Cosmic Rays on a Directed Journey Through the Galaxy
Joint observations by China's Einstein Probe and LHAASO have revealed a 42-light-year-long X-ray tail from a pulsar wind nebula, showing ...
Sixteen Years of Swift Data Reveal the Hidden Engine Behind a Galaxy’s X-ray Flicker
A sixteen-year archive of Swift X-ray observations of the narrow-line Seyfert 1 galaxy Ark 564 shows tightly coupled soft and ...
Cosmic-Ray Cloud Lab: LHAASO Spots PeV Gamma Rays from Giant Molecular Clouds
Using 4.5 years of data, the LHAASO observatory has detected very-high-energy gamma-ray emission from five nearby giant molecular clouds, opening ...
Lightweight AI Boosts Gamma-Ray Telescope Performance Without Needing GPUs
A compact convolutional neural network developed by Indian researchers outperforms standard machine learning for Cherenkov telescope gamma-ray classification while training ...
Black Holes and Neutron Stars Shatter the Cosmic Speed Limit on How Bright Matter Can Shine
A comprehensive new review of super-critical accretion explains how stellar-mass black holes and neutron stars exceed the Eddington limit through ...
Magnetars May Be Born in Half of All Core-Collapse Supernovae
A population synthesis of the youngest Galactic neutron stars finds that magnetars make up about half of all neutron stars ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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