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This is a list of the largest cosmic structures so far discovered. The unit of measurement used is the light-year (distance traveled by light in one Julian year; approximately 9.46 trillion kilometres). This list includes superclusters, galaxy filaments and large quasar groups (LQGs). The structures are listed based on their longest dimension.
The Hercules–Corona Borealis Great Wall (HCB) [1] [5] or simply the Great Wall [6] is a galaxy filament that is the largest known structure in the observable universe, measuring approximately 10 billion light-years in length (the observable universe is about 93 billion light-years in diameter).
This is a list of largest galaxies known, sorted by order of increasing major axis diameters. The unit of measurement used is the light-year (approximately 9.46 × 10 12 kilometers). Overview
S5 0014+813 -- It may have the most boring name ever, but this is the largest black hole ever discovered. With a mass of 2 octillion kilograms, it's a 147 billion miles in diameter.
The Huge Large Quasar Group, (Huge-LQG, also called U1.27) is a possible structure or pseudo-structure of 73 quasars, referred to as a large quasar group, that measures about 4 billion light-years across.
Here are the US's biggest moments in space this year and the missions that didn't go so well. This was a big year for space in the US with many historic firsts . SpaceX caught a rocket in mid-air.
The BOSS Great Wall is one of the largest superstructures in the observable universe, [2] though there are even larger structures known. This figure shows the superclusters of the BOSS Great Wall, on Cartesian coordinates. The large complex has a mean redshift of z ~ 0.47 (z times Hubble length ≈ 6.8 billion light years). [1]
The Big Ring is composed of numerous galaxies and galaxy clusters that form a continuous, almost perfect ring-like pattern in space. With its diameter of 1.3 billion light years and a circumference of 4 billion light years, it is one of the largest known structures within the observable universe. The structure is made up of many galaxy clusters ...