Do black holes exist and, if not, what have we really been looking at?

New ScientistMonday, September 29, 2025 at 4:00:19 PM
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Do black holes exist and, if not, what have we really been looking at?
The ongoing debate about the existence of black holes has intrigued physicists for years, leading to theories suggesting they might be something entirely different, like gravastars or fuzzballs. This exploration is crucial as it could reshape our understanding of the universe and the fundamental laws of physics.
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