A team of researchers believe they have identified a large, rotating structure 140 million light-years away from Earth. The structure, embedded within a larger filament, appears to challenge current models of the universe. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Cosmic filaments, vast, thread-like structures of gas and dark matter , are some of the largest structures known in the universe.

"Astronomers theorize that the early universe was very smooth, and that the distribution of matter was uniform with tiny variations in density that grew into a web-like pattern," NASA explains . "These areas of slightly higher density also had slightly more gravity to attract more matter. Over time, the universe evolved into a web of fil

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