Bedtime Astronomy
Bedtime Astronomy
Synthetic Universe
How Galaxy Clusters Reveal Their Hidden Motions Through Ancient Cosmic Light
32 minutes Posted Nov 6, 2026 at 9:00 am.
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Scientists at Columbia University have detected a subtle temperature pattern in the cosmic microwave background that reveals how gas moves inside galaxy clusters.

By combining observations from 25 clusters, researchers uncovered new evidence linked to rotation and cosmic mergers, opening a promising way to investigate the dynamics of these enormous structures.

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