the cosmic web

“Astronomers say all of the galaxies in the universe are connected by a vast cosmic web of filaments, but we’ve never actually seen this supposed network. That’s changed, however, thanks to the tumultuous activity of a distant quasar that’s illuminating the celestial backdrop.”

“This quasar is illuminating diffuse gas on scales well beyond any we’ve seen before, giving us the first picture of extended gas between galaxies,” said astronomer J. Xavier Prochaska. “It provides a terrific insight into the overall structure of our universe.”

“It’s the first time anyone has captured an image of the cosmic web, clearly showing its filamentary structure.”

from:  Our First Glimpse of the Web that Connects All Galaxies

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