No, there are no recorded situations in which sustainednuclear fusion has been accomplished here on earth. In nuclear weapons, fusion is accomplished only for a split second. And the fusion experiments we're developing are yet incomplete.
Yes. Six countries have detonated test Thermonuclear fusion bombs. Yes, but only for a fraction of 1 second! In the JET (Joint European Torus), which I think is the best achieved so far. ITER should advance this somewhat, but it won't be up and running for some years yet.
Not naturally. Humans have created fusion reactions in hydrogen bombs and have experimented with creating fusion reactors.
Yes.
Examples: The hydrogen bomb and the creation of new elements.
Yes. Nuclear reactors and nuclear weapons use nuclear fission.
hot
where plasma occur on the earth
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Around the core of helium that been formed from hydrogen fusion.
fusion
Because the conditions of temperature and pressure that occur in stars do not occur on earth
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Yes, but on earth we are limited in size
All elements between and including Neptunium (Np) up to the element Ununoctium (Uuo) are not remnants of fusion and do not occur naturally on earth.
How can temperature either help fusion to occur or prevent fusion from occurring?
That's because of where each of these processes occur. There is no nuclear fusion inside of Earth. There is probably a small amount of radioactive decay in the Sun, but the power produced by it is insignificant, compared to the huge amount of power produced by nuclear fusion.
Fusion occurs in the core of the Sun
No. Hydrogen fusion occurs in the star's core.
Fusion occurs in the core of the sun and other stars.
No place, we have not yet determined how to make a fusion reactor. Only fusion bombs.
Nuclear fusion occurs at the core of the sun (and other stars) providing huge amount of energy to the rest of the solar system. It has also been achieved on Earth, though not in a controlled and sustained manner.
hydrogen fusion