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No, normally it occurs at temperatures of millions of degrees. It does occur at room temperature, but not in significant amount; any possible practical use of "cold fusion" is, so far, speculation.

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Does nuclear fusion occur in the sun's corona?

No, while it is hot enough the pressure is too low.


What happens to the low mass star when the nuclear fusion stops?

It stops at about 0.12 seconds.


Does the onset of fusion reactions inside stars require high or low density and high or low temperature?

The onset of fusion reactions inside stars requires high density and high temperature. The high density is needed to bring atomic nuclei close enough together for the strong nuclear force to overcome electrostatic repulsion, allowing the nuclei to fuse. The high temperature is required to provide the particles with enough kinetic energy to overcome the electrical repulsion and fuse.


Why is there a low mass limit for stars?

Stars are powered by nucliar fussion. There is minimum pressure and temperature requirement in order to start the process. So to became Star the object has to have enought mass to increase its internal temperature and pressure.


Why does the proton-proton chain require a high temperature?

The proton-proton chain requires high temperatures, typically around 15 million Kelvin, to overcome the electrostatic repulsion between positively charged protons. At these elevated temperatures, protons have enough kinetic energy to collide with sufficient force to allow the strong nuclear force to take over, enabling fusion to occur. This process is essential for stars like the Sun, where the energy produced through fusion is what powers them. Without such high temperatures, the likelihood of fusion events occurring would be extremely low.

Related Questions

Does nuclear fusion occur in the sun's corona?

No, while it is hot enough the pressure is too low.


Why only in the sun's core does nuclear fusion occur?

The rest of the sun is too cold and too low pressure.


How are low mass star born?

Low mass stars are created in the same way as all other stars, with one exception. They do not accumulate enough mass to create enough pressure in the core for nuclear fusion to occur. They "glow" because of the external pressure on the core but this is not enough to initiate nuclear fusion.


Materials of low mass are combined to form a substance of higher mass during what?

This process would occur during a nuclear fusion reaction. In nuclear fusion, lighter atomic nuclei combine to form a heavier nucleus, releasing a large amount of energy in the process. Fusion reactions are responsible for powering the sun and other stars.


How much waste does nuclear fusion produce?

Nuclear fusion produces very little waste compared to nuclear fission. The waste produced by nuclear fusion is mainly low-level radioactive material, which is easier to manage and has a shorter lifespan.


Does fusion occur only under extremely high temperatures?

Nuclear fusion of light elements is the process operating in the stars to produce energy, and needs very high temperature to occur. Experiments on earth to aim at producing useful power from fusion have been progressing for many years. The reactants most likely to be used are isotopes of hydrogen, deuterium and tritium. These need to be heated to some hundreds of millions of degrees kelvin before reaction starts. Fusion reactions have been seen, but only for less than 1 second so far. Fusion is not a chemical reaction, it is a nuclear process.


What happens to the low mass star when the nuclear fusion stops?

It stops at about 0.12 seconds.


Does the onset of fusion reactions inside stars require high or low density and high or low temperature?

The onset of fusion reactions inside stars requires high density and high temperature. The high density is needed to bring atomic nuclei close enough together for the strong nuclear force to overcome electrostatic repulsion, allowing the nuclei to fuse. The high temperature is required to provide the particles with enough kinetic energy to overcome the electrical repulsion and fuse.


What degree does metal contract at?

Contraction occur at low temperature.


Can nuclear submarines meltdown?

Under the worst possible conditions, a meltdown can occur in a nuclear submarine. It is an event of low probability, however.


What is the procces where two or more low mass nuclei fuse to form another nucleas?

No, two nuclei do not combine to form one nucleus in nuclear fission. It is the process of nuclear fusion that speaks to the combination of two nuclei to form one nucleus. The two nuclei are fused to form a new nucleus. Nuclear fission is the "breaking" or "splitting" of an atomic nucleus into two (or possibly more) smaller fragments.


What happens if a fusion bomb if it crashes into nuclear bomb?

I do not understand what you are asking because of a definition problem. A nuclear bomb can be either a fission or fusion bomb. Also a physical crash of nuclear devices is most likely to simply detonate their conventional explosives regardless of whether they are fission or fusion (although modern low shock sensitivity explosives make this less likely than it was).