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Webb Refines Bullet Cluster Mass and Maps Dark Matter Distribution

Summary by Phys.org
NASA's James Webb Space Telescope recently zeroed in on the Bullet Cluster—delivering highly detailed images that show a greater abundance of extremely faint and distant galaxies than ever before. Using Webb's crisp near-infrared observations of this region, researchers have more completely mapped the colliding galaxy clusters' contents.

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Phys.org broke the news in United Kingdom on Monday, June 30, 2025.
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