How long would a nuclear fallout last?

For the survivors of a nuclear war, this lingering radiation hazard could represent a grave threat for as long as 1 to 5 years after the attack. Predictions of the amount and levels of the radioactive fallout are difficult because of several factors.
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How long would it take for nuclear fallout to clear?

Fallout radiation decays relatively quickly with time. Most areas become fairly safe for travel and decontamination after three to five weeks.
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How long until it is safe to go outside after a nuclear blast?

Stay inside for 24 hours unless local authorities provide other instructions.
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How long would it take for the Earth to recover from nuclear war?

Recovery would probably take about 3-10 years, but the Academy's study notes that long term global changes cannot be completely ruled out. The reduced ozone concentrations would have a number of consequences outside the areas in which the detonations occurred.
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How long would a nuclear winter last?

Surface temperatures would be reduced for more than 25 years, due to thermal inertia and albedo effects in the ocean and expanded sea ice. The combined cooling and enhanced UV would put significant pressures on global food supplies and could trigger a global nuclear famine.
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Can you survive nuclear fallout? - Brooke Buddemeier and Jessica S. Wieder



What cities would be nuked first?

The cities that would most likely be attacked are Washington, New York City and Los Angeles. Using a van or SUV, the device could easily be delivered to the heart of a city and detonated. The effects and response planning from a nuclear blast are determined using statics from Washington, the most likely target.
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Is Hiroshima still radioactive?

Is there still radiation in Hiroshima and Nagasaki? The radiation in Hiroshima and Nagasaki today is on a par with the extremely low levels of background radiation (natural radioactivity) present anywhere on Earth. It has no effect on human bodies.
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How many nukes would it take to destroy the world?

This is why another study had been conducted in 2018 testing a similar scenario that also concluded that it would take 100 nuclear bombs to end this world. What is scarier is that within this world there are 13,080 ready-to-use nuclear warheads and yet it takes such a small amount.
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Will anyone survive a nuclear war?

But the vast majority of the human population would suffer extremely unpleasant deaths from burns, radiation and starvation, and human civilization would likely collapse entirely. Survivors would eke out a living on a devastated, barren planet.
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Would the world be habitable after nuclear war?

However, models from the past decade consider total extinction very unlikely, and suggest parts of the world would remain habitable.
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Can you survive a nuclear bomb in a pool?

While the radiation from the initial detonation is setting everything nearby on fire, the surface of the water will harmlessly evaporate. Since the boiling point of water isn't very high and the flash doesn't last very long, the whole body of water will stay cool, even if it's only a swimming pool.
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Can you shoot down a nuke?

The Aegis ballistic missile defense-equipped SM-3 Block II-A missile demonstrated it can shoot down an ICBM target on 16 Nov 2020.
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Can a basement protect you from a nuclear bomb?

Can you Survive A Nuclear Bomb by sheltering in a Basement. Yes and no. Surviving a direct hit from a nuclear strike is unlikely; however, the actual area of that damage is quite small, and it is highly likely that going into the basement will allow you to survive a nuclear bomb.
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How long was Hiroshima radioactive for?

Additionally keep in mind that plutonium might this time be a contaminant, and the dangerous period for this isotope is 100,000 years. But, remember that Hiroshima and Nagasaki are thriving today, and it has only been 66 years.
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How cold would a nuclear winter be?

They found average global temperatures could drop between 15º and 25º Celsius, enough to plunge the planet into what they called “nuclear winter”—a deadly period of darkness, famine, toxic gases and subzero cold.
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What states are safe from nuclear war?

The safest place in the U.S. for nuclear war is considered to be the state of Maine. Maine is deemed to be safe due to its lack of nuclear plants and urban areas. Other potentially safe areas include Oregon, Northern California, and Western Texas.
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How do you protect against nuclear fallout?

Cover your mouth and nose with a face mask or other material (such as a scarf or handkerchief) until the fallout cloud has passed. Shut off ventilation systems and seal doors or windows until the fallout cloud has passed.
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How deep does an underground have to be to survive a nuclear blast?

Packed earth insulates against radiation and blast waves, but don't go deeper than 10 feet; because if your exits (make two) become blocked in the blast, you may need to dig yourself out.
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What would happen if a nuke went off in space?

If a nuclear weapon is exploded in a vacuum-i. e., in space-the complexion of weapon effects changes drastically: First, in the absence of an atmosphere, blast disappears completely. Second, thermal radiation, as usually defined, also disappears.
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Can the US stop an incoming ICBM?

The US only has a limited ability to destroy an incoming nuclear intercontinental ballistic missile, a study released last month by the American Physical Society concluded.
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How many nukes does it take to destroy the moon?

Here's a piece from Gizmodo figuring that you'd need 9,000 bombs of the 15,000 kiloton "Castle Bravo" class to obliterate the entire surface of the moon.
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What is the most radioactive place on earth?

Fukushima is the most radioactive place on Earth. A tsunami led to reactors melting at the Fukushima nuclear power plant. Even though it's been nine years, it doesn't mean the disaster is behind us.
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What is worse than an atomic bomb?

Hydrogen bombs, or thermonuclear bombs, are more powerful than atomic or "fission" bombs. The difference between thermonuclear bombs and fission bombs begins at the atomic level.
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Did people's eyes fall out in Hiroshima?

Charred remains of the deceased with eyes protruding

With the fierce pressure of the blast the air pressure in the area dropped instantaneously, resulting in eyeballs and internal organs popping out from bodies.
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