Astronomers have recently discovered a giant stream of stars and galaxies spanning across the observable universe, providing a glimpse into the history of our cosmic neighborhood. This stream is made up of over half a million galaxies, and it stretches for an impressive 3.5 billion light-years. Researchers believe this structure is the result of an ancient collision between two massive galaxies, and it could provide new insight into the formation and evolution of our universe. This discovery is sure to fascinate astronomers for years to come!

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source: Phys.org