This Giant Ring In Space Poses A Massive Problem For Cosmology
Sabine Hossenfelder
Jun 3, 2026 15:00
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Scientists say that they’ve just detected a massive cloud of gas some 3 billion lightyears in diameter, floating in space roughly 7 billion light years away from us. This is pretty cool, but the problem is that our current models of the universe say that it (and other massive structures like it) just shouldn’t exist. Let’s take a look.
Paper: https://arxiv.org/abs/2604.17534
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