Our first images of the "cosmic web" revolutionize Hubble and reveal billions of galaxies beyond our Milky Way galaxy

Billions of galaxies exist in the cosmos, but wherever you look their location is not random. They form, and connect, through long threads or filaments of hot gas.

While these filaments have long been predicted in cosmological models, this is the first time astronomers have been able to observe them directly. And thanks to this, astronomers using the ESO (European Southern Observatory) Very Large Telescope (VLT) in Chile have uncovered a "cosmic web" that exhibits a population of billions of tiny, previously invisible galaxies.

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