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An 18 kilotons of TNT (75 TJ) land-surface type shot was detonated on a platform at the northern tip of Runit, Enewetak in the second of the 35 tests for Operation Hardtack I. [4]: 2 The initial cloud from the explosion reached as high as 19,000 feet (5.79 km) within the first ten minutes, and settled at around 15,000 feet (4.57 km) by 20 ...
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.
Log–log plot comparing the yield (in kilotonnes) and mass (in kilograms) of various nuclear weapons developed by the United States.. The explosive yield of a nuclear weapon is the amount of energy released such as blast, thermal, and nuclear radiation, when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene ...
Gun-type (8–30 kilotons). Mark 12 – Light-weight bomb to be carried by fighter aircraft (12–14 kilotons). Mark 13 – Improved version of Mk-6 (cancelled August 1954). TX/Mark 14 – First deployable solid-fuel thermonuclear bomb (Castle Union device). Only five produced. (5 Megatons) Mark 15 – First "lightweight" thermonuclear weapon ...
The Mark 36 bomb was 56.2 to 59 inches (143 to 150 cm) in diameter, depending on version, and 150 inches (3.8 m) long. It weighed 17,500 or 17,700 pounds (7,900 or 8,000 kg) depending on version.
It is accurate to within an order of magnitude to say that 10 44 J is equivalent to 10 28 megatons of TNT equivalent. However, it is wrong to say that such an amount of TNT would have a mass a mere 1⅔ the mass of the earth. 10 28 megatons is 10 37 kilograms. The earth has a mass of 5.9735*10 24 kilograms.
Yield of the Little Boy atomic bomb dropped on Hiroshima in World War II (15 kilotons) [175] [176] 9×10 13 J: Theoretical total mass–energy of 1 gram of matter (25 GW·h) [177] 10 14 1.8×10 14 J Energy released by annihilation of 1 gram of antimatter and matter (50 GW·h) 3.75×10 14 J: Total energy released by the Chelyabinsk meteor. [178 ...
As of 1993, worldwide, 520 atmospheric nuclear explosions (including eight underwater) have been conducted with a total yield of 545 megatons (Mt): 217 Mt from pure fission and 328 Mt from bombs using fusion, while the estimated number of underground nuclear tests conducted in the period from 1957 to 1992 is 1,352 explosions with a total yield ...