Recent high-precision measurements of the cosmic microwave background reveal puzzling anomalies that could indicate our universe collided with others during its infancy, though scientists debate whether these patterns represent genuine multiverse evidence or statistical coincidences.
Cosmic strings—hypothetical one-dimensional defects from the Big Bang—may soon be detected or ruled out by gravitational wave observatories, CMB surveys, and galaxy mapping. These ultra-dense threads could validate grand unified theories, constrain inflation models, and even provide evidence for string theory. Within a decade, missions like LISA, CMB-S4, and pulsar timing arrays will deliver a verdict, reshaping our understanding of the universe's earliest moments and fundamental physics.
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