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Latest Black Hole Collision Comes With a Twist
...immediately detected gravitational waves from a black-hole merger, no one knew whether it would see merging black holes, merging neutron stars, black holes merging with neutron stars or none of...
Black Hole Singularities Are as Inescapable as Expected
...“elementary scalar field” in and around their theoretical black hole. And whereas the original Kerr solution concerned an “eternal” black hole that has always been there, the black holes in...
Philosophers Debate New ‘Sonic Black Hole’ Discovery
...information escapes black holes. Others regard the fluid experiment as an amusing demo that says nothing about black holes or their central mystery. The paradox sprang from Hawking’s 1974 insight...
Astronomers Creep Up to the Edge of the Milky Way’s Black Hole
...the black hole’s flickering, that motion would be linear, as blobs traveled outward and cooled, Eisenhauer said. If clumps in the disk around the black hole were responsible, the motion...
Earliest Black Hole Gives Rare Glimpse of Ancient Universe
...fog and figurative mystery. They want to know what burned the fog away: stars, supermassive black holes, or both in tandem? And how did those behemoth black holes grow so...
Black Hole Echoes Would Reveal Break With Einstein’s Theory
...center. Yet the center of a black hole is, famously, a place where we can never look. It’s protected by the black hole’s horizon — the surface surrounding the black...
To Test Einstein’s Equations, Poke a Black Hole
...rotating black holes are stable. But their work did not cover black holes rotating above a certain threshold. Their proof also makes some assumptions about the nature of space-time. The...
Why Stephen Hawking’s Black Hole Puzzle Keeps Puzzling
...that black holes are not truly black. Quantum uncertainty causes them to radiate a small amount of heat, dubbed “Hawking radiation.” They lose mass in the process and ultimately evaporate...
Plunge Into a (Virtual Reality) Black Hole
...with curves in the space-time fabric, space-time ceases to curve smoothly inside black holes, or even to make sense. Knowing what happens inside black holes would reveal the unknown, quantum...