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"Little Boy" was the codename of the atomic bomb dropped on Hiroshima on August 6, 1945 by the Boeing B-29 Superfortress Enola Gay, piloted by Colonel Paul Tibbets of the 393d Bombardment Squadron, Heavy, of the United States Army Air Forces.

Up to August 6th, occasional bombs, which did no great damage had fallen on Hiroshima. Many cities roundabout, one after the other were destroyed, but Hiroshima itself remained protected. There was almost daily observation planes over the city but none of them dropped a bomb. The citizens wondered why they alone had remained undisturbed for so long a time. There were fantastic rumors that the enemy had something special in mind for this city, but no one dreamed that the end would come in such a fashion as on the morning of August 6th.

Perhaps a half-hour after the explosion, a procession of people began to stream up the valley from the city. Toward noon, our large chapel and library are filled with the seriously injured. The procession of refugees from the city continues. Soon comes news that the entire city has been destroyed by the explosion and that it is on fire.

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14y ago
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13y ago

Currently there is a team of American and Japanese scientists studying the effects of the atomic bombs. There is still radiation from those two bombs in Japan and surrounding areas but the levels are significantly lower after sixty years than when the bombs were first dropped. The cities of Nagasaki and Hiroshima were rebuilt fairly soon after they were damaged by the bombs and a horrendous typhoon that did worse damage weeks later. The officials of Japan did not have full understanding about the duration of radiation's effects when they rebuilt the cities. The team of scientists have kept careful records of post sicknesses and the levels of radiation. They will continue until the radiation levels are safe again. If you want to learn more there is an excellent show on the history channel about this team of scientists. I believe they have a web site but I am not absolutely certain of this. I forget the name of the team.

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13y ago

This is a complicated question to answer. Different radioisotopes have different halflifes. It is usually necessary to conduct radiological surveys to test the area afterwards and isolate hotspots. No single answer can be given.

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11y ago

Hard to say exactly as it depends on the halflives of a wide variety of radioisotopes produced by the bomb and what happens to be considered safe exposure levels. Following a large nuclear war, what will be considered safe exposure levelsare likely to be noticeably higher than what is now considered safe exposure levels as uncontaminated areas may be rare.

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12y ago

It was only one bomb over Hiroshima. That was a nuclear weapon and blast was like flash.

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12y ago

Nagasaki received only one bomb. It was an atomic one. It detonated at 11.01

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12y ago

It was only an atomic bomb dropped over Hiroshima so that didnt take long.

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11y ago

Nine (9) seconds

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12y ago

9.9 feet

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Q: How long was the atomic bomb that was dropped on Hiroshima?
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Related questions

How long did it take America to perfect the atomic bomb?

See: Atomic bombings of Hiroshima and Nagasaki


How long did the war of hiroshima last?

It took only one atomic bomb.


How much damage did the atomic bomb course?

The atomic bomb dropped on Hiroshima in 1945 caused an estimated immediate death toll of around 140,000 people. The long-term effects of radiation exposure led to increased casualties in the years following the bombing.


How long did it take to make the bomb that was dropped on Hiroshima?

over 12 miles


How long after the bombing of Hiroshima did the American public learn of the usage of the atomic bomb?

Immediately


What were the nicknames of the two atomic bombs dropped on Japan in World War 2?

the one dropped on hiroshima (uranium) was called little boy. it was 3 metres long and thin.The one dropped on nagasaki was call fat man. this one contained plutonium and was 4 metres long and much rounder.The plane was callled the enola gay (B-29) and the pilot was callled tibbins.


How long did it take for the bomb fat boy to drop?

See: Atomic bombings of Hiroshima and Nagasaki


The financial cost of hiroshima after the atomic bomb dropped?

The financial cost of Hiroshima after the atomic bomb dropped in 1945 was immense. It is estimated that the initial damage was equivalent to about $10 billion in today's currency, including the destruction of buildings and infrastructure. However, the long-term economic impact is harder to quantify, as the city's recovery and rebuilding took many years.


What was the point of the first atomic bomb during hiroshima?

it was either kill a few thousand with an atomic bomb, or invade japan and lose millions of japanese and americans. Saves lives in the long run.


What would happen if a Atomic bomb was dropped in the US?

Wherever the bomb is dropped a lot of people will be killed during the explosion and more from radiation for a long time after. Immediately after the bomb is dropped we will do what we have always done as Americans and go kick some a**.


How long did it take for atomic bomb to land?

The first atomic bomb was launched in 1945, by the US. It incinerated Hiroshima and Nagasaki, Japan during WWII The above is half true. That was the first time an atomic bomb was used in war, but the first atomic bomb was detonated at the the Trinity Site in White Sands Missile Range, on July 16, 1945.


How big was the atomic bomb little boy?

The atoms in the atomic bombs used on Japan were atomic size. The size of the atom depends on what element or ion we're talking about. As for the bombs themselves, the Little Boy had a yield of about 12 to 14 kilotons, and Fat Man had a yield of about 20 kilotons.