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Mapping the Invisible

Dark matter remains invisible to our telescopes, yet its gravitational fingerprints pervade the universe. Using NASA's James Webb Space Telescope, scientists have produced one of the most detailed dark maps ever created, revealing with unprecedented clarity how dark matter and ordinary matter have grown up together. The map shows that wherever galaxies cluster in their thousands, equally massive concentrations of dark matter occupy the same space, a close alignment that confirms dark matter's gravity has been shepherding regular matter into stars, galaxies, and ultimately the complex planets capable of supporting life.

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