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Are We All Wrong About Black Holes?
...rough similarities between the properties of black holes and the laws of thermodynamics. Stephen Hawking proved that the area of a black hole’s event horizon — the surface that marks...
The Double Life of Black Holes
Perfect black holes are versatile mathematical tools. Just don’t mistake them for the real thing. There are astrophysical black holes, and then there are mathematical ones. Astrophysical black holes sit...
Mathematicians Prove Hawking Wrong About the Most Extreme Black Holes
...holes can provide further insights into near-extremal black holes, which are thought to be plentiful in the universe. “Einstein didn’t think that black holes could be real [because] they’re just...
Growing Inventory of Black Holes Offers a Radical Probe of the Cosmos
...holes they are observing. The latest catalog of these so-called black hole binary mergers — the result of two black holes spiraling inward toward each other and colliding — has...
Newfound Wormhole Allows Information to Escape Black Holes
...University, the repulsive negative energy in the wormhole’s throat can be generated from the outside by a special quantum connection between the pair of black holes that form the wormhole’s...
Star-Swallowing Black Holes Reveal Secrets in Exotic Light Shows
...distant universe. (Quasars are now known to be supermassive black holes feeding on surrounding gas, not stars.) But in 1988, the British cosmologist Martin Rees realized that black holes snacking...
Debate Erupts Over How ‘Forbidden’ Black Holes Grow
Once missing in action, middleweight black holes have finally been detected. Now researchers are trying to figure out how they grow from small ones. Until recently, black holes — those...
In New Paradox, Black Holes Appear to Evade Heat Death
...of even more powerful machines. A New Paradox of Black Holes In the mid-20th century, black holes were mysterious because of their “singularity” at their core, a place where infalling...
To Make Two Black Holes Collide, Try Three
...process, to make black holes come together more quickly than anticipated. The trouble starts before black holes form in the first place. Black holes are essentially dead relics of massive...