Approximately 424 million light-years away, a vast chunk of the cosmic web (the network-like distribution of matter the universe displays on the largest scale) appears as if it’s been caught in a vortex. It’s the biggest single spinning structure astronomers have ever seen, measuring around 117,000 light-years across and 5.5 million light-years long. The discoveryContinue reading “Fourteen galaxies whirl together on a cosmic carousel”
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