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General Physics Sep 3, 2015

New law implies thermodynamic time runs backwards inside black holes

(Phys.org)—Black holes are known to have many strange properties, such as that they allow nothing—not even light—to escape after falling in. A lesser known but equally bizarre property is that black holes appear to ...

Astronomy Feb 8, 2024

Telescopes show the Milky Way's black hole is ready for a kick

The supermassive black hole in the center of the Milky Way is spinning so quickly it is warping the spacetime surrounding it into a shape that can look like a football, according to a new study using data from NASA's Chandra ...

Astronomy Oct 9, 2015

What are white holes?

Black holes are created when stars die catastrophically in a supernova. So what in the universe is a white hole?

Soft Matter Sep 23, 2013

Chasing the black holes of the ocean

According to researchers from ETH Zurich and the University of Miami, some of the largest ocean eddies on Earth are mathematically equivalent to the mysterious black holes of space. These eddies are so tightly shielded by ...

Astronomy May 15, 2023

Black holes might be defects in spacetime

A team of theoretical physicists have discovered a strange structure in space-time that to an outside observer would look exactly like a black hole, but upon closer inspection would be anything but: they would be defects ...

Astronomy Sep 30, 2019

Planet Nine could be a primordial black hole, new research suggests

The hypothetical Planet Nine, assumed to be lurking somewhere in the outskirts of our solar system, may not be a planet at all. A new study, published September 24 on the arXiv pre-print server, suggests that the mysterious ...

General Physics Feb 18, 2016

Five-dimensional black hole could 'break' general relativity

Researchers have shown how a bizarrely shaped black hole could cause Einstein's general theory of relativity, a foundation of modern physics, to break down. However, such an object could only exist in a universe with five ...

Quantum Physics Feb 14, 2022

What's inside a black hole? Physicist uses quantum computing, machine learning to find out

Dude, what if everything around us was just ... a hologram?

General Physics May 18, 2012

Every black hole contains a new universe: A physicist presents a solution to present-day cosmic mysteries

Our universe may exist inside a black hole. This may sound strange, but it could actually be the best explanation of how the universe began, and what we observe today. It's a theory that has been explored over the past few ...

Astronomy Apr 21, 2021

Black hole is closest to Earth, among the smallest ever discovered

Scientists have discovered one of the smallest black holes on record—and the closest one to Earth found to date.

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