How Hot Was the Nuke Dropped on Hiroshima?
On August 6, 1945, the United States dropped an atomic bomb on Hiroshima, Japan, which resulted in widespread destruction and loss of life. The bomb, known as "Little Boy," was a uranium-based atomic bomb that exploded with an estimated force of 15 kilotons. But how hot was the nuke dropped on Hiroshima?
Initial Fireball Temperature
The initial fireball temperature of the atomic bomb was estimated to be around 6,000°C (10,830°F), which is equivalent to the surface temperature of the sun. This intense heat caused the surrounding air to ignite, creating a massive fireball that incinerated everything within a radius of about 1 kilometer (0.62 miles).
Surface Temperature
The surface temperature of the bomb was estimated to be around 4,000°C (7,232°F), which is extremely hot and capable of melting steel and concrete. This heat caused widespread destruction of buildings, infrastructure, and anything else that was not completely destroyed by the blast.
Radiation Temperature
The radiation emitted by the bomb was also extremely hot, with temperatures reaching up to 100,000,000°C (180,000,000°F). This intense radiation caused severe burns and injuries to those who were exposed to it.
How Hot Was the Nuke Compared to Other Nuclear Explosions?
To put the temperature of the Hiroshima bomb into perspective, consider the following:
- The Trinity test, the first nuclear test conducted by the United States in 1945, had a temperature of around 3,000°C (5,432°F).
- The Nagasaki bomb, which was dropped on Japan just three days after the Hiroshima bomb, had a temperature of around 4,000°C (7,232°F).
- The Tsar Bomba, the largest nuclear test ever conducted, had a temperature of around 50,000,000°C (90,000,000°F).
Conclusion
In conclusion, the nuke dropped on Hiroshima was incredibly hot, with temperatures reaching up to 6,000°C (10,830°F) in the initial fireball and 4,000°C (7,232°F) on the surface. The radiation emitted by the bomb was also extremely hot, causing severe burns and injuries to those who were exposed to it. The Hiroshima bomb was one of the most destructive events in human history, and its impact is still felt today.