what bombs were used in hiroshima and nagasaki?
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On August 6, one of the modified B-29s dropped a uranium gun-type bomb ("Little Boy") on Hiroshima. Another B-29 dropped a plutonium implosion bomb ("Fat Man") on Nagasaki three days later. The bombs immediately devastated their targets.
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On August 6, 1945, during World War II (1939-45), an American B-29 bomber dropped the world's first deployed atomic bomb over the Japanese city of Hiroshima.
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Over 45,000 bombs were dropped on Britain during the campaign. Aside from London, the Luftwaffe attacked ports in Liverpool and Hull as well the cities of Bristol, Portsmouth, Plymouth, Southampton, Cardiff, and Swansea.
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The nuclear bomb on Nagasaki was dropped as Soviet forces were overwhelming Japanese positions in Manchuria and Japan appeared set to surrender to the Allied powers. ... If there was any rationale, it was technical or strategic in nature — to demonstrate the power of the world's first plutonium bomb.
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Science Behind the Atom Bomb. The immense destructive power of atomic weapons derives from a sudden release of energy produced by splitting the nuclei of the fissile elements making up the bombs' core. The U.S. developed two types of atomic bombs during the Second World War.
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—There are important differences between Hiroshima and Nagasaki in respect to their experience with the atomic bombs. 3.4. ... —Different kinds of bombs were used on the two cities, that dropped over Hiroshima being a uranium-235 bomb, whereas the one used against Nagasaki was composed of plutonium-239.
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2 - Number of atomic bombs dropped on Japan during World War II. 80,000 - People who died instantly in Hiroshima, Japan, on August 6, 1945, when the first ever atomic bomb was used in war.
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The Atomic bombings of Hiroshima and Nagasaki were nuclear attacks on the Empire of Japan during World War II (WWII). The United States and the Allies were fighting against Japan and slowly winning. Two nuclear weapons were dropped on Japan, one on the city of Hiroshima and the other on the city of Nagasaki.
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Two atomic bombs made by the allied powers (USA and UK) from uranium-235 and plutonium-239 were dropped on Hiroshima and Nagasaki respectively early in August 1945.
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On August 6, 1945, the United States dropped a nuclear weapon on Hiroshima, Japan – the first time such a catastrophic weapon was ever used in conflict. Three days later the U.S. released another on Nagasaki, devastating the city and ushering in the nuclear age.
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Of course it is safe to live in Hiroshima and in Nagasaki! Nuclear bombs have much less radioactive material than in a nuclear power plant, and they decompose very easily compared to the sheer radiation emitted by the Chernobyl plant. Chernobyl had many nuclear material, which was spread throughout the region.
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Atom bombs are beyond loud. You can get an idea of the blast from an atom bomb by considering its yield. ... A nominal yield for basic atom bombs is around 20 kilotons.
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An M6 earthquake releases 7.8 x 1013 joules, and an M7 radiates 2.1 x 1015 joules. If you don't have a sense for what these numbers mean, the bomb dropped on Hiroshima released about 7.4 x 1012 joules.
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The Soviet Union of Russia (USSR) tested its first nuclear weapon RDS-1 in August 1949, starting the race for nuclear weapons with the US. The USSR detonated its largest nuclear weapon, Tsar Bomba, with a yield of 50 megatons (equivalent to the power of 3,800 Hiroshima bombs) in 1961.
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Five bombs tumbled away into the icy sky. Between 1940 and 1945, U.S. and British air forces dropped 2.7 million tons of bombs on Europe, half of that amount on Germany.
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An atomic or nuclear bomb is a fission bomb that relies on the splitting of atoms from either uranium or plutonium creating a runaway reaction. A nuke could be an atomic bomb or hydrogen bomb. ... An atomic bomb's heat can be as much as 10,000 degrees while a hydrogen bomb reaches several million degrees.
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After creating the first one, J. Robert Oppenheimer called for international controls on nuclear weapons. On July 16, 1945, a team of scientists and engineers watched the first successful atomic bomb explosion at the Trinity test site in Alamogordo, New Mexico.