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Gravitational collapse of a massive star, resulting in a Type II supernova. Gravitational collapse is the contraction of an astronomical object due to the influence of its own gravity, which tends to draw matter inward toward the center of gravity. [1] Gravitational collapse is a fundamental mechanism for structure formation in the universe.
The Feyzin disaster was the worst accident which had occurred in petroleum and petrochemical plants in Western Europe, prior to the Flixborough disaster in 1974. Since then, many pressurised tanks containing liquefied gases have BLEVE'd. The hazards are now better understood and storage spheres are protected from fire engulfment by better design.
Pages in category "Building and structure collapses in Europe" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes .
The Jeans instability is a concept in astrophysics that describes an instability that leads to the gravitational collapse of a cloud of gas or dust. [1] It causes the collapse of interstellar gas clouds and subsequent star formation. It occurs when the internal gas pressure is not strong enough to prevent the gravitational collapse of a region ...
Gas explosion caused the collapse of a 2-storey residential building. [7] 9 March 1976 United States: Oven Fork, Kentucky: 26 unknown Scotia Mine disaster [8] 11 November 1977 South Korea: Iksan: 59 1343 Iri station explosion: 17 February 1978 France: Paris: 12 60 A gas leak in rue Raynouard caused 3 explosions in 40 minutes. 11 July 1978 Spain ...
This is a list of accidents and disasters by death toll.It shows the number of fatalities associated with various explosions, structural fires, flood disasters, coal mine disasters, and other notable accidents caused by negligence connected to improper architecture, planning, construction, design, and more.
The most basic gravitational stability analysis is the Jeans criteria, which addresses the balance between self-gravity and thermal pressure in a gas. In terms of the two above stability conditions, the system is stable if: i) thermal pressure balances the force of gravity, and ii) if the system is compressed slightly, the outward pressure ...
Gravity on the Earth's surface varies by around 0.7%, from 9.7639 m/s 2 on the Nevado Huascarán mountain in Peru to 9.8337 m/s 2 at the surface of the Arctic Ocean. [6] In large cities, it ranges from 9.7806 m/s 2 [7] in Kuala Lumpur, Mexico City, and Singapore to 9.825 m/s 2 in Oslo and Helsinki.