Prompt
"Generate an image of the Fat Man bomb, an implosion-type nuclear bomb, with a mushroom cloud in the background, representing its detonation over Nagasaki on August 9, 1945; gptkbp:instance_of nuclear bomb; style: historical and documentary, with attention to detail, reflecting the significance of the Fat Man bomb as the second nuclear weapon used in warfare; color palette: muted, with shades of gray, black, and white, conveying a somber and reflective tone."