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The Great Wall of China, at 6,352 km or 3,947 mi long, is a megastructure.This picture was taken near Beijing in February 2005. A megastructure is a very large artificial object, although the limits of precisely how large vary considerably.
Megascale engineering (or macro-engineering) [1] is a form of exploratory engineering concerned with the construction of structures on an enormous scale. [2] Typically these structures are at least 1,000 km (620 mi) in length—in other words, at least one megameter, hence the name.
Most water in Earth's atmosphere and crust comes from saline seawater, while fresh water accounts for nearly 1% of the total. The vast bulk of the water on Earth is saline or salt water, with an average salinity of 35‰ (or 3.5%, roughly equivalent to 34 grams of salts in 1 kg of seawater), though this varies slightly according to the amount of runoff received from surrounding land.
Electricity infrastructure project planned to include the world's largest solar plant, the world's largest battery, and the world's longest submarine power cable. [24] Khavda Solar Park: Gujarat, India: 30000 MW: Under-construction: 2025: Located in the Rann of Kutch; will cover an area of 726 km 2 (280 sq mi) once completed.
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Rak Mesba is a partial ancient alien Alderson Disk in Orion's Arm, a multi-authored online science fiction world-building project. [6] A disk-shaped planet similar to an Alderson disk (though far smaller) served as the homeworld of the fantasy "Aysle" setting (or "cosm") of West End Games' Torg roleplaying game. In contrast with the Alderson ...
The Earth captured in the Pacific Ocean side. The hydrosphere (from Ancient Greek ὕδωρ (húdōr) 'water' and σφαῖρα (sphaîra) 'sphere') [1] [2] is the combined mass of water found on, under, and above the surface of a planet, minor planet, or natural satellite.
Pages in category "Lists of largest buildings and structures" The following 46 pages are in this category, out of 46 total. ... List of longest bridges above water in ...