The Black Hole And Other Essays With Plates Including Portraits And Facsimiles Signed By Author

The Black Hole And Other Essays With Plates Including Portraits And Facsimiles Signed By Author

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a black hole is a region of spacetime exhibiting gravitational acceleration so strong that nothingno particles or even electromagnetic radiation such as lightcan escape from it the theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole the boundary of the region from which no escape is possible is called the event horizon