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The universe is less uniform than we thought—cosmology may need a radical rethink

Astrobitica July 1, 2026 (Last updated: July 1, 2026) 1 minute read

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Modern cosmology is based on the cosmological principle, which assumes that on large scales, matter is evenly distributed throughout the cosmos, with no preferred direction.

Modern cosmology rests on a simple assumption: If we look on large enough scales, matter should be distributed evenly, with no preferred direction within the cosmos. This is known as the cosmological principle.