Which gave off more heat,a nuclear blast or asteroid impact.?

Question

How hot is the explosion in a nuclear blast or asteroid impact.

Answer 1

The impact of just a one-kilometer (1/2 mile across) asteroid could easily release as much energy as millions of Hiroshima bombs.

Source (Be sure to check out the reference photo at the bottom of the page!):
http://www.tricity.wsu.edu/~hudson/Research/Asteroids/why/impact.htm

The Barringer Crater (a.k.a. the "Winslow Crater") was created by a meteorite just the size of a bus. When we get hit with one the size of Manhattan, it would exterminate everything on the planet except for some microbes and bacterium.

Scientists agree that if we ever had a nuclear war, that cockroaches probably be amongst the few species that would be included in a list of "survivors", but an impact from an asteroid would kill us all.

As far as the 2nd part of your question, the actual temperature of the energy released would be a couple of million degrees for less than a minute. The estimated energy released when Comet Shoemaker-Levy plowed into Jupiter is as follows:

"Instruments on Galileo detected a fireball which reached a peak temperature of about 24,000 K (42,740 F), before expanding and cooling rapidly to about 1,500 K (2240 F) after 40 seconds. Typical Jovian cloudtop temperatures are about 130 K (-226 F). Brrrr!

A few minutes after the impact fireball was detected, Galileo measured renewed heating, probably due to ejected material falling back onto the planet"

This is the source for the above quotes, and it also has some awesome photos of the impact:
http://en.wikipedia.org/wiki/Comet_Shoemaker-Levy_9

Here's another site that has photos of the impact. The thing to remember is that the biggest piece was only about 5 km (3 miles) in diameter, yet it caused damaged areas that were larger than the Earth.

http://www.seds.org/sl9/sl9.html

Answer 2

Quizzard is precisely precise. Even the asteroid belt itself, that's "crammed with asteroids" is exceptionally sparse. you would be fortunate to go everywhere in it and characteristic the skill to make certain extra beneficial than 2 or 3 at as quickly as, and that's given which you already know which specks of light are asteroids and not stars. with the intention to have a mine container dense sufficient so as that none ought to get by, you will would desire to have an insane type of mines. as nicely, blowing up asteroids isn't a stable thought, whether we ought to do it. bear in strategies that during area, each thing keeps shifting till acted upon through a tension. in case you blew up an asteroid, from the attitude of the spot the place it replaced into once you blasted it, chunks would fly off in each direction. From the outdoors attitude in area, it may well be a cloud of smaller rocks, all flying alongside particularly the same direction because of the fact the unique, and if that unique replaced into going to hit the Earth, then the cloud of debris would additionally be hitting the Earth. Now you have impacts everywhere, and not in basic terms one enormous one. Adjusting the orbit would be lots extra available. We nevertheless don't have the infrastructure to place the type of gadget in place. extra constructive to seek for probably risky ones, and plan on what to do approximately them whilst and if a very risky collision is detected.

Answer 3

Depends on the size. Large asteroids can release the energy of many nuclear weapons.

Answer 4

I would think that a nuclear blast would give off much more heat energy. The asteroid could easily have more energy, but most of it would be kinetic.

Answer 5

Some asteroids could hit the Earth and nobody would even notice. Other asteroids would destroy the Earth's entire ecosystem.

The most powerful atomic bomb ever constructed was "Ivan," which was detonated in on Novaya Zemlya island, and blew windows out of houses in Finland. Finland and Novaya Zemlya are over 530 miles apart from their nearest two points.

The smallest mass that will cause fission will produce about the same
energy as 15,000-20,000 tons of TNT.

Answer 6

nuclear blast or asteroid impact it depends on its strentgh

Answer 7

Depends on the size/details...