SPACERIUM

  The Sloan Great Wall (SGW) is one of the largest known cosmic structures in the observable universe. It is a massive galaxy filament spanning approximately 1.37 billion light-years in length, making it one of the most extensive and mysterious structures ever discovered. This colossal feature challenges our understanding of large-scale cosmic formations and the distribution of matter in the universe. Discovered in 2003 by J. Richard Gott III and his colleagues using data from the Sloan Digital Sky Survey (SDSS) , the Sloan Great Wall remains a subject of interest in cosmology, astrophysics, and large-scale structure formation studies. What is the Sloan Great Wall? The Sloan Great Wall is a filamentary structure composed of numerous galaxy clusters, superclusters, and voids that stretch across vast cosmic distances. Unlike traditional walls or physical barriers, it consists of gravitationally bound galactic structures forming an interconnected web, shaping the cosmic fabric of ...

Laniakea the biggest supercluster In the vast expanse of the cosmos, amidst the twinkling stars and swirling galaxies, lies an unimaginably immense structure known as the Laniakea Supercluster. Named after the Hawaiian word for "immense heaven," Laniakea is not just a random collection of galaxies; it's our cosmic neighborhood, offering insights into the intricate dance of gravity, dark matter, and the evolving universe. Imagine zooming out from our familiar Milky Way galaxy, past neighboring galaxies like Andromeda and Triangulum, until they become mere specks of light in a sea of darkness. This journey takes us to the grand scale of Laniakea, a supercluster that encompasses not just hundreds, but thousands of galaxies, bound together by the relentless pull of gravity. At the heart of Laniakea lies the Great Attractor, a gravitational focal point drawing galaxies towards it. But don't imagine it as a colossal vacuum cleaner sucking everything in its path. Instead, pi...