WORLD HISTORY

Detailed explanation-1: -On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki, respectively. The aerial bombings together killed between 129, 000 and 226, 000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed conflict.

Detailed explanation-2: -Little Boy, the bomb dropped on Hiroshima, was a gun-assembly fission bomb using uranium, whereas Fat Man, the bomb dropped on Nagasaki, was an implosion fission bomb utilizing plutonium.

Detailed explanation-3: -This gun-type uranium bomb, nicknamed Little Boy, weighed 9, 700 pounds. The bomb was dropped on Hiroshima, Japan, August 6, 1945, at 8:15 AM.

Detailed explanation-4: -Three days after the United States dropped an atomic bomb on Hiroshima, a second atomic bomb was dropped on Nagasaki on August 9 – a 21-kiloton plutonium device known as “Fat Man.”