It certainly can. It can also occur at lower or higher temperatures.
15 MK is roughly the core temperature of the Sun. At this temperature the PP chain is dominant, with the CNO cycle contributing roughly an order of magnitude less energy. At around 17 MK the two are roughly equal, and at higher temperatures the CNO cycle becomes dominant.
Much below 4 MK, you're not normally going to get significant fusion (there are "cold fusion" techniques that can happen at much lower temperatures, such as muon-catalysed fusion, but these aren't net producers of energy: it takes more energy to make the muons than you can get out of the resultant fusion reaction).
Nuclear fusion does not currently occur in nuclear plants. Nuclear plants use nuclear fission, where atoms are split to release energy. Fusion reactions, in which atomic nuclei combine to release energy, are not yet used commercially for electricity generation.
No, nuclear fusion does not occur in the convection zone of a star. Fusion reactions primarily take place in the core region of a star, where the temperature and pressure are high enough to sustain the nuclear reactions that power the star. The convection zone is a region of the star where heat is transported through the movement of gas, but fusion does not occur there.
Yes, but on earth we are limited in size
Nuclear fusion is the process that powers stars, such as our sun.
Nuclear fusion in the sun occurs when hydrogen atoms combine to form helium atoms. This process releases large amounts of energy in the form of photons. The intense pressure and temperature in the sun's core create the conditions necessary for nuclear fusion to occur.
The temperature required for nuclear fusion to occur is around 100 million degrees Celsius.
nuclear fusion is not a natural occurrence, it is when two atoms are fused together
Nuclear fusion does not currently occur in nuclear plants. Nuclear plants use nuclear fission, where atoms are split to release energy. Fusion reactions, in which atomic nuclei combine to release energy, are not yet used commercially for electricity generation.
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In the cores of stars and hydrogen bombs.
Sun
Because the conditions of temperature and pressure that occur in stars do not occur on earth
yes nuclear fusion does occur on the sun, creating intense heat and light
It has to be at hundreds of millions of degrees kelvin, before a fusion reaction between deuterium and tritium will start
No, nuclear fusion does not occur in the convection zone of a star. Fusion reactions primarily take place in the core region of a star, where the temperature and pressure are high enough to sustain the nuclear reactions that power the star. The convection zone is a region of the star where heat is transported through the movement of gas, but fusion does not occur there.
Yes, but on earth we are limited in size
High temp and pressure