spaceplasma: 9.3 megatons Hardtack-Poplar nuclear fireball (1958). This was the fifth largest nuclear explosion in U.S. history. The aircraft was used to collect atmospheric particle samples during the nuclear bomb explosion. Nuclear explosions emit
spaceplasma: 9.3 megatons Hardtack-Poplar nuclear fireball (1958). This was the fifth largest nuclear explosion in U.S. history. The aircraft was used to collect atmospheric particle samples during the nuclear bomb explosion. Nuclear explosions emit
