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Study finds galaxies align in large-scale filaments, challenging the cosmological principle

Adrian Cho mail Author Staff Writer

13d ago· 5 min readenNews

science news astrophysics cosmology

Summary

A new study published in Nature challenges the cosmological principle — the assumption that the universe is smooth and uniform on large scales — by presenting evidence that galaxies align in enormous filamentary structures (strings) even at scales where the cosmos should appear homogeneous. If confirmed, this finding could undermine the standard model of cosmology (ΛCDM), which relies on the principle of cosmic uniformity. The research suggests the universe may be "stringy" on unexpectedly large scales, potentially requiring a revision of prevailing cosmological theories.

Source

bskyStudy finds galaxies align in large-scale filaments, challenging the cosmological principlescience.org

Key quotes

· 3 pulled

Like a vast bowl of spaghetti, the universe may be stringy on length scales far larger than cosmologists have long assumed.

In a study published today in Nature, two researchers argue galaxies align in enormous filaments even on scales where the cosmos should appear smooth and uniform.

If correct, the controversial claim challenges the principle of cosmological sameness on which the prevailing theory rests.

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Controversial claim challenges principle of cosmological sameness on which prevailing theory rests

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