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Neither, because the earth's centre is composed of heavy materials not hydrogen. This is really a topic for earth scientists rather than nuclear ones, but my understanding is that the earth's heat comes from radioactive decay and residual heat from when the earth was formed, but no-one really knows all the answers.

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Which can't be created on earth fussion or fission?

Both can be created on earth, and both have been. Fission has been used in atomic bombs, and fusion has been used in hydrogen bombs.


What is the difference between nuclear fusion in the sun and nuclear fission in a power plant on earth?

Fusion and fission are opposing processes. In the sun, hydrogen atoms are fused together to form helium. On earth, the most commonly used element is uranium, which is split into smaller atoms.


Why is the hydrogen bomb dependent on the atomic bomb?

A hydrogen bomb is a fusion nuclear weapon, and the "regular" atomic bomb is a fission one. Both are an example of an "atomic bomb" in the general sense. But we know what you're asking, and here's the answer. In a fission weapon, subcritical masses of fissile material (usually plutonium) are driven together with conventional explosives to cause criticality, supercriticality and the blast. In a hydrogen bomb, the only way to get things hot enough for fusion to begin to occur is by virtue of the heat generated by a fission weapon. A fission blast will, if things are set up correctly, set off a fusion blast. Big, big, bigboom! That's the long and short of it. To build a hydrogen (fusion) weapon, you have to build a fission bomb "around" or "up against" components to cause fusion to occur in the heat of the fission reaction when that fission bomb goes off. Our sun is a gigantic fusion machine. It is similar to a hydrogen bomb in that both fuse hydrogen into helium. On the sun, it happens all the time in a continuous event. Here on earth, it's a one-shot affair and a massive boom!


Is all nuclear energy produced the same way?

All useful nuclear energy produced on Earth comes from nuclear fission of U-235 and/or Pu-239, in a variety of different reactor designs. In the stars it comes from fusion of hydrogen, not fission.


Is fission in the moon?

The moon is a solid rock that reflects the sun's light back to Earth. It does not under go wither fission or fusion.


What are ideal places for fission and fusion?

Fission takes place in nuclear reactors, which are useful to produce electricity. Fusion has not yet been harnessed on earth, so the only place it happens is in stars


What is the difference between nuclear fusion and nuclear fission, and how do they differ in terms of their energy production processes?

Nuclear fusion involves combining atomic nuclei to release energy, while nuclear fission involves splitting atomic nuclei to release energy. Fusion produces energy by combining light nuclei, like hydrogen isotopes, while fission produces energy by splitting heavy nuclei, like uranium or plutonium. Fusion reactions release more energy per unit mass than fission reactions, but fusion is more difficult to achieve and sustain on Earth.


How does nuclear energy relate to the sun?

We derive electromagnetic energy from the nuclear fusion reactions on the sun. We also apply nuclear energy (fission) on earth to generate lots of thermal energy, which we use in a steam cycle to generate lots of electric power.


Is nuclear fission happening on the sun or nuclear fusion?

Fusion. Fusion requires very high temperature and pressure. So on earth we usea critical mass of weapons grade uranium to start a fission chain reaction whichenables a fusion reaction in hydrogen. Fusion is of course more powerful than fission


Which type of nuclear reaction is more important for life on earth?

1.The sun is a huge ball of nuclear fusion. 2.We here on earth use nuclear fission to produce electricity. so the answer is 2.


Which one of these two process is still used today Nuclear Fission or Fusion?

Fission. Fusion has never been used on Earth, except for nuclear weapon tests.


How is nuclear energy and fusion energy different?

Nuclear energy typically refers to fission, where atoms are split to release energy. Fusion energy involves merging atoms to release energy, mimicking the process that powers the sun. Fusion has the potential to generate more energy and produce less waste compared to fission.