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A cut-away diagram of an idealized Dyson shell—a variant on Dyson's original concept—1 AU in radius.. Most stellar scale megastructure proposals are designs to make use of the energy from a sun-like star while possibly still providing gravity or other attributes that would make it attractive for an advanced civilization.
Discovered through gamma-ray burst mapping. Largest-known regular formation in the observable universe. [8] Huge-LQG (2012–2013) 4,000,000,000 [9] [10] [11] Decoupling of 73 quasars. Largest-known large quasar group and the first structure found to exceed 3 billion light-years. "The Giant Arc" (2021) 3,300,000,000 [12] Located 9.2 billion ...
This is a list of megaprojects, which may be defined in the following categories: . Projects that cost more than US$1 billion and attract a large amount of public attention because of substantial impacts on communities, the natural and built environment, and budgets.
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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).
Each episode explores the engineering breakthroughs that have made it possible to develop the largest structures of today. Episodes describe the landmark inventions that have enabled the engineers of today to construct the world's biggest structures, including computer generated imagery. The imagery shows the size of the object in meters, the ...
This is a list of buildings and other structures that have been envisioned. The X-Seed 4000 is one of the tallest structures ever conceived. Shown in this image is the Burj Khalifa (828 m (2,717 ft)), tallest structure in the world at the time of completion in 2010 to this year (2025), and the X-Seed 4000 project (4,000 m (13,000 ft)).
Pages in category "Lists of largest buildings and structures" The following 46 pages are in this category, out of 46 total. This list may not reflect recent changes. ...