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- Universe - NASA Science
NASA’s NICER Maps Debris from Recurring Cosmic Crashes QPEs, or quasi-periodic eruptions, are a class of X-ray flares made when objects move through gas disks surrounding supermassive black holes
- Are there multiple universes? - New Scientist
String theory, which is a notoriously theoretical explanation of reality, predicts a frankly meaninglessly large number of universes, maybe 10 to the 500 or more, all with slightly different
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