The radius of total destruction in Hiroshima was over 1 mile, with destruction of all flammable buildings within a 4.7 square mile area, and some outlying areas by the firestorm that followed two or three hours after the blast.
The radius of destruction in Nagasaki was a little less than 1 mile, because the bomb fell northwest of the city center, primarily impacting the Urakami River valley. The destruction extended to almost everything flammable within 2 miles to the north or south along the river valley.
See: Atomic bombing of Hiroshima and Nagasaki.
On August 6, 1945 Hiroshima was the primary target cityof the Little Boy enriched uranium atomic bomb and the bomb was dropped there.On August 9, 1945 Kokura was the primary target city of the Fatman plutonium atomic bomb, however due to heavy smoke cover from a nearby city that had been firebombed the night before it was not possible for the bombardier to identify the aim point and it was decided to proceed to the secondary target.On August 9, 1945 Nagasaki was the secondary target cityof the Fatman plutonium atomic bomb and the bomb was dropped there, despite heavy cloud cover making it difficult for the bombardier to identify the aim point (as it was the bombardier identified the wrong point, resulting in the Fatman being dropped about 1.9 miles from the planned aim point). The aircraft did not have enough fuel left to consider proceeding to the tertiary target city.
9.5 square miles
After the attack, the japanese had no means to recover. It took 15 years for the US to rebuild japan.
The 0 - 125 mile radius leaves more options open, but there's no guarantee that slots wouldn't open up within a 50 miles radius, either. If it was something where they were, say, infantry, and the only other units within 50 miles were non-infantry units, then the one who chose the 125 miles radius would be more eligible for promotion (IF promotion was going to require them to transfer to a different unit).
See: Atomic bombing of Hiroshima and Nagasaki.
The moons average radius in miles is 1079 miles.
No nuclear bomb was ever dropped there, however in 1958 as part of Operation Argus a 1.7KTon W-25 warhead was exploded roughly 124 miles above these islands, 71 miles southeast of the main island.
nagasaki and hiroshimaNagasaki.While its target was Nagasaki an error due largely to significant cloud cover caused it to actually be dropped 1.9 miles away over the Urakami valley.
This is the area of a circle with a radius of 100 miles →area = π × radius² = π × (100 miles)² = 10,000π sq miles ≈ 31416 sq miles
The radius of the sun = 695,500 kilometers or 432,163.664 miles.
A circle with a radius of 4 miles has a circumference of 25.13 miles.
the first atomic bomb leveled nothing. That was exploded at the Trinity test site. The first bomb used in war was at Hiroshima Japan, and pretty much destroyed everything in a 3 mile radius. That is just over 7 square miles.
The bomb dropped on Hiroshima totally destroyed everything in a 1.6 km radius, a total of 12 km2 was destroyed. 80 000 people were killed by the blast and resulting firestorm, with another 80 000 dieing later from after effects.
The radius of a circle with an area of 1,808.64 square miles is: about 24 miles (23.994 miles).
radius = 251.57 divided by 2*pi = 40.03860903 miles
Radius = 4.068 miles (to 3 dp)