Astronomers discovered a colossal structure hidden behind the Milky Way, 300 million light-years across, with a mass of 30 quadrillion Suns and at least 20 galaxy clusters.

With about 30 quadrillion suns, Vela-Banzi has been mapped behind the Milky Way and appears as one of the largest known structures in the nearby universe, hidden by dust, gas, and stars. The discovery was detailed in a study published on arXiv, focusing on matter distribution and large-scale architecture. Structure hidden by the galaxy itself The supercluster, previously known as Vela, is approximately 800 million light-years from Earth.

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