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General Physics May 20, 2024

A model outlining the microscopic origin of black hole entropy

Black holes are intriguing astronomical objects that have a gravitational pull so strong that it prevents any object and even light from escaping. While black holes have been the topic of numerous astrophysical studies, their ...

Astronomy Apr 30, 2024

New observatory in Chile—the highest in the world—aims to reveal origins of planets, galaxies and more

How do planets form? How do galaxies evolve? And ultimately, how did the universe itself begin? A unique astronomical observatory that researchers hope will unravel some of the biggest mysteries out there marks its opening ...

Astronomy Apr 29, 2024

Hubble spots magnificent barred galaxy NGC 2217

The magnificent central bar of NGC 2217 (also known as AM 0619-271) shines bright in the constellation of Canis Major (The Greater Dog), in this image taken by the NASA/ESA Hubble Space Telescope. Roughly 65 million light-years ...

Astronomy May 6, 2024

The universe could be filled with ultralight black holes that can't die

Primordial black holes are hypothetical objects formed during the earliest moments of the universe. According to the models, they formed from micro-fluctuations in matter density and spacetime to become sand grain-sized mountain-massed ...

Astronomy May 10, 2024

NASA's Chandra notices the galactic center is venting

Using NASA's Chandra X-ray Observatory, astronomers have located an exhaust vent attached to a "chimney" of hot gas blowing away from the center of the Milky Way galaxy. Their paper describing these results is published in ...

Astronomy May 16, 2024

Into the abyss: Understanding black hole formation through natal kicks and neutrino emission

A new study in Physical Review Letters explores the conditions of black hole formation from dying stars, particularly the role of neutrino-induced natal kicks in the formation process.

Astronomy Apr 24, 2024

Black hole 'traffic jams' discovered in galactic centers by astronomers

An international study, led by researchers from Monash University, has revealed crucial insights into black hole dynamics within massive disks at the centers of galaxies.

Astronomy May 9, 2024

NASA images help explain eating habits of massive black hole

In images from NASA's retired Spitzer Space Telescope, streams of dust thousands of light-years long flow toward the supermassive black hole at the heart of the Andromeda galaxy. It turns out these streams can help explain ...

Other May 18, 2024

Saturday Citations: Mediterranean diet racks up more points; persistent quantum coherence; vegan dogs

This week, we reported on the birth throes of black holes, the questionable assertions of a study about vegan dogs and a technique for observing entanglement without breaking quantum coherence.

Astronomy May 17, 2024

Data from MAXI J1820+070 shows Einstein was right about how matter plunges into a black hole

A team of astrophysicists from the University of Oxford, Newcastle University and the Institute of Astronomy, all in the U.K., working with a colleague from the University of Virginia, in the U.S., has found evidence showing ...

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