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A mushroom cloud is a distinctive mushroom-shaped flammagenitus cloud of debris, smoke, and usually condensed water vapour resulting from a large explosion. The effect is most commonly associated with a nuclear explosion , but any sufficiently energetic detonation or deflagration will produce a similar effect.
The cumulonimbus flammagenitus cloud (CbFg), also known as the pyrocumulonimbus cloud, is a type of cumulonimbus cloud that forms above a source of heat, such as a wildfire, nuclear explosion, or volcanic eruption, [5] and may sometimes even extinguish the fire that formed it. [6] It is the most extreme manifestation of a flammagenitus cloud.
The mushroom cloud over Hiroshima after the detonation of Little Boy on 6 August 1945. A separation between the upper mushroom head and the stem is visible. This photograph and its vaguely question mark appearance was used as the inspiration for the insignia of the Manhattan Engineer District, and was widely reprinted globally within days of ...
Aerial footage from the recycling plant in Oxford which was struck by lightning last night (2 October), shows the damage sustained following the incident. The explosion could be heard up to 20 ...
Nancy Baker Cahill's augmented reality public art work, which launches on Monday of Frieze Week, depicts a mushroom cloud — 'the ultimate symbol of human-caused cataclysm.'
The mushroom cloud reached a height of 47,000 feet (14,000 m) and a diameter of 7 miles (11 km) in about a minute, a height of 130,000 feet (40 km) and 62 mi (100 km) in diameter in less than 10 minutes and was expanding at more than 160 meters per second (580 km/h; 360 mph).
Aerial view of the Able mushroom cloud rising from the lagoon with Bikini Island visible in the background. The cloud carried the radioactive contaminants into the stratosphere. As with Little Boy (Hiroshima) and Fat Man (Nagasaki), the Crossroads Able shot was an air burst. These were purposely detonated high enough in the air to prevent ...
Iconic image of the Castle Romeo mushroom cloud, 27 March 1954 One particular image of the Castle Romeo mushroom cloud has been one of the most highly reprinted images of a nuclear explosion. It often serves as a stand-in for nuclear weapons in general for news stories, book covers, magazine articles, etc., likely because of its threatening ...