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Astronomy Aug 20, 2025

XRISM reveals slow-moving hot gas near black hole during faint X-ray phase

An international research team has reported remarkable findings from an XRISM observation of the black hole X-ray binary 4U 1630–472, located in our galaxy. XRISM is an X-ray astronomy satellite developed by Japan in collaboration ...

Astronomy Aug 20, 2025

Accidental double zoom reveals millimeter waves around supermassive black hole

An international team of astronomers led by Matus Rybak (Leiden University, Netherlands) has proven, thanks to accidental double zoom, that millimeter radiation is generated close to the core of a supermassive black hole. ...

Astronomy Aug 14, 2025

Astronomers discover new type of supernova triggered by black hole-star interaction

Astronomers have discovered what may be a massive star exploding while trying to swallow a black hole companion, offering an explanation for one of the strangest stellar explosions ever seen.

Astronomy Aug 13, 2025

IXPE's 'heartbeat black hole' measurements challenge current theories

An international team of astronomers using NASA's IXPE (Imaging X-ray Polarimetry Explorer), has challenged our understanding of what happens to matter in the direct vicinity of a black hole.

Astronomy Aug 12, 2025

'Pop III.1' model explains origins of black holes and early cosmic ionization

A new theoretical study by University of Virginia astrophysicist Jonathan Tan, a research professor with the College and Graduate School of Arts & Sciences' Department of Astronomy, proposes a comprehensive framework for ...

Astronomy Aug 11, 2025

Astronomers catch supermassive black hole in the act of 'waking up'

Astronomers using the Very Long Baseline Array (VLBA) and the Very Large Array (VLA) have caught a supermassive black hole in the act of awakening from a long slumber, providing an unprecedented glimpse into the earliest ...

Other Aug 9, 2025

Saturday Citations: Video games and brain activity; a triple black hole system; neutralizing Skynet

It's August, which means Hot Science Summer is two-thirds over. This week, NASA released an exceptionally pretty photo of Mars, a sharp panorama color altered to make the sky blue (???). California health authorities are ...

Astronomy Aug 7, 2025

An interstellar mission to a black hole? Astrophysicist thinks it's possible

It sounds like science fiction: a spacecraft, no heavier than a paperclip, propelled by a laser beam and hurtling through space at the speed of light toward a black hole, on a mission to probe the very fabric of space and ...

Astronomy Jul 31, 2025

Simulations reveal surprising electron temperatures near M87 black hole's event horizon

The first black hole images stunned the world in 2019, with headlines announcing evidence of a glowing doughnut-shaped object from the center of galaxy Messier 87 (M87 —55 million light years from Earth. Supercomputer simulations ...

Astronomy Jul 31, 2025

Researchers develop new method for calculating the vibrations of black holes

Black holes embody the ultimate abyss. They are the most powerful sources of gravity in the universe, capable of dramatically distorting space and time around them. When disturbed, they begin to "ring" in a distinctive pattern ...

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