A thermonuclear weapon, fusion weapon or hydrogen bomb is a second-generation nuclear weapon, using nuclear fusion. The most destructive weapons ever created, their yields typically exceed first-gener
Edward Teller in 1958
Operation Castle thermonuclear test, Castle Romeo shot
Casing of the Soviet Tsar Bomba, the largest nuclear weapon ever built and tested, Sarov, Russia.
Operation Grapple on Christmas Island was the first British hydrogen bomb test.
The Tsar Bomba is the most powerful nuclear weapon or weapon of any kind ever constructed and tested. A project of the Soviet Union, it was a thermonuclear aerial bomb, tested on 30 October 1961 at th
Thermonuclear weapon
…surveillance, and inertial confinement fusion experiments. Thermonuclear weapons are the only artificial source of explosions above one megaton TNT. The Tsar Bomba was the most powerful bomb ever detonated at 50 megatons of TNT (210 PJ), despite the uranium tamper being replaced with lead to reduce radioactive…
View of the possible fission bomb primary within the Tsar Bomba casing, under construction at KB-11.
The Tsar Bomba's fireball, about 8 km (5 mi) wide at its maximum, was prevented from touching the ground by the shock wave, but reached nearly 10.5 km (34,000 ft) in the sky – the altitude of the deploying bomber.
The mushroom cloud of Tsar Bomba seen from a distance of 161 km (100 mi). The crown of the cloud is 65 km (40 mi) high at the time of the picture. (source: Rosatom State Corporation Communications Department 20–08–2020)