An estimate of the size from the damage due to the sixteen kt and 21 kt atomic bombings of Hiroshima and Nagasaki. The higher temperatures and radiation bring about gasoline to move outward radially in a skinny, dense shell termed "the hydrodynamic entrance". The entrance functions like a piston that https://radiationzoneofthesundefi61503.wonderkingwiki.com/1427312/about_radiation_zone_pubg