# Quick Answer: How Many Tons Of TNT Are In A Nuclear Bomb?

## Is Hiroshima safe to visit today?

Were we risking our health by visiting Hiroshima.

Radiation levels are back to normal in Hiroshima and have been this way ever since the end of 1945.

Since the bomb was detonated in the air, most of the radioactive material stayed in the air and did not settle to the ground..

## How far away from a nuclear blast is safe?

six feetThis will help provide protection from the blast, heat, and radiation of the detonation. When you have reached a safe place, try to maintain a distance of at least six feet between yourself and people who are not part of your household.

## How much power do you need to destroy a planet?

When Manley runs the particulars of Earth through this equation, he figures out that it’d take about 2.25 x 1032 joules, or 225 million trillion trillion joules. For much larger planets such as Jupiter, you’re going to need about 2 x 1036 joules, which means 2 trillion trillion trillion joules of energy.

## How big is the blast of a nuclear bomb?

Death is highly likely and radiation poisoning is almost certain if one is caught in the open with no terrain or building masking effects within a radius of 0–3 km from a 1 megaton airburst, and the 50% chance of death from the blast extends out to ~8 km from the same 1 megaton atmospheric explosion.

## Is Hiroshima still radioactive today?

Among some there is the unfounded fear that Hiroshima and Nagasaki are still radioactive; in reality, this is not true. Following a nuclear explosion, there are two forms of residual radioactivity. … In fact, nearly all the induced radioactivity decayed within a few days of the explosions.

## What is the biggest nuke in the world?

Tsar BombaThe nuclear arms race that originated in the race for atomic weapons during World War II reached a culminating point on October 30, 1961, with the detonation of the Tsar Bomba, the largest and most powerful nuclear weapon ever constructed.

## How many tons of TNT was the Hiroshima bomb?

The explosive effect of each was equal to that of up to a few tens of thousand tonnes of the conventional explosive TNT. On this basis of comparison, the Hiroshima bomb was of about 15 kilotons – that is, of 15 thousand tonnes of TNT equivalent – and that at Nagasaki was of 25 kilotons (ca. 65 and 105 GJ respectively).

## How long until Chernobyl is safe?

20,000 yearsMore than 30 years on, scientists estimate the zone around the former plant will not be habitable for up to 20,000 years. The disaster took place near the city of Chernobyl in the former USSR, which invested heavily in nuclear power after World War II.

## How many tons of TNT is a supernova?

A type 1a supernova explosion gives off 1–2×1044 joules of energy, which is about 2.4–4.8 hundred billion yottatons (24–48 octillion (2.4–4.8×1028) megatons) of TNT, equivalent to the explosive force of a quantity of TNT over a trillion (1012) times the mass of the planet Earth.

## Are nukes powerful today?

The most powerful nuclear weapon in the current US arsenal is the B83 aircraft bomb, which has a maximum yield of 1.2 megatons (1,200 kilotons), said Kile. “The destructive impact of modern thermonuclear weapons is difficult to calculate.

## Can you survive a nuclear bomb underground?

It’s even possible to survive a nuclear blast near ground zero if you happen to be inside a robust building, such as a fortified structure or an underground facility, says Brooke Buddemeier, a certified health physicist at Lawrence Livermore National Laboratory in Livermore, California.

## Which is stronger TNT or c4?

C4 explosives have more complete destructive power compared to TNT and the number of effective explosives required to destroy the concrete with the strength of fc = 229.31 kg / cm2 is 122 g.

## Is TNT more powerful than dynamite?

Although not quite as powerful as dynamite (and harder to detonate), the main benefit of TNT is that it’s even more stable than dynamite (Wilbrand, for instance, never lost a single brother to an explosion). Also, TNT can be melted down and poured into shell casings. On the downside, however, TNT is extremely toxic.

## How many tons of TNT would destroy Earth?

It basically boils away the whole Earth. The gravitational binding energy of Earth is about 2.2*10 32 J, corresponding to 5*10 22 tons of TNT. The largest weapon tested so far (Tsar bomba) had 50 megatons, we would need 10 15 or 1 quadrillion of them.

## Is Chernobyl safe now?

More than 350,000 people evacuated from severely contaminated areas of Ukraine, Belarus and Russia. Today, Chernobyl and its surrounds are a ghost town, with only a few thousands of souls brave enough to continue to live in the affected areas, which still suffer from extensive levels of radiation.