Astronomers have recently discovered a rare quasar triplet, a massive structure in the early universe. This is the first-ever observation of such an arrangement, and it is the most massive structure ever seen at such an early age. The quasar triplet consists of three quasars, all at a distance of approximately 11 billion light years from Earth, that are connected by a bridge of intergalactic gas. This bridge, which is about 750,000 light years across, is thought to be the result of a large-scale cosmic collision.

The discovery of this quasar triplet is providing astronomers with new insights into the structure and evolution of the universe in its early stages. Given the rarity of such a structure, it is likely to offer a unique window into the physics of the early universe, providing an unprecedented opportunity to study how galaxies form and evolve.

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source: Phys.org