History: The Tsar Bomba, the most powerful nuclear weapon ever created and tested. A photo of its fireball which was about 8 km (5.0 mi) wide and was prevented from touching the ground by its own shock wave, forcing the fireball 10.5 km (6.5 mi) into the sky. - 30 October 1961 [389×256]

https://i.redd.it/etcg9563qgn51.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/itr2nn/the_tsar_bomba_the_most_powerful_nuclear_weapon/?utm_source=ifttt