An estimate of the size on the hurt caused by the 16 kt and 21 kt atomic bombings of Hiroshima and Nagasaki. The substantial temperatures and radiation lead to gas to maneuver outward radially in a skinny, dense shell called "the hydrodynamic front". The entrance acts similar to a piston https://judahohvhs.angelinsblog.com/33786273/everything-about-radiation-zone-of-the-sun