What size was the atomic bomb?
| Little Boy | |
|---|---|
| Mass | 9,700 pounds (4,400 kg) |
| Length | 10 feet (3.0 m) |
| Diameter | 28 inches (71 cm) |
| Filling | Highly enriched uranium |
Which bomb was bigger Hiroshima or Nagasaki?
The plutonium-type bomb detonated over Nagasaki actually had a greater explosive power than that used on Hiroshima. The reason for the greater number of casualties in the latter city is to be sought in large part in differences in the physical features of the two cities.