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In which part of a newborn star does the fusion reactio occur?
In a newborn star, the fusion reactions occur primarily in its core, where the temperature and pressure are high enough to trigger nuclear fusion. This process generates the energy that powers the star and allows it to shine bright.
Where does nuclear fusion occur in any star?
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When does fission occur in a star?
Never, only fusion
Does fusion occur in white dwarf stars?
No. A white dwarf is the remnant of a star in which fusion as stopped.
Does nuclear fusion happen in the convection zone?
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.
What temperature does star fusion begin to occur?
The minimum temperature is about 10,000,000 degrees Celsius.
What creates the heat and light in a star?
Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.
Does hydrogen fusion occur in the corona?
Hydrogen fusion does not occur in the corona of the sun. Fusion reactions occur in the sun's core where conditions are hot and dense enough for hydrogen nuclei to combine to form helium, releasing energy in the process. The corona is cooler and less dense than the core, so fusion cannot take place there.
What is the smallest mass a newborn star can have?
The smallest mass a newborn star can have is about 8% of the mass of our Sun, which is known as the hydrogen burning limit. Below this threshold, the core temperature and pressure are not sufficient to sustain nuclear fusion reactions that define a star. These lower mass objects are classified as brown dwarfs, which lack the ability to generate energy through sustained nuclear fusion reactions like stars.
Where does hydrogen fusion occur when there is no hydrogen left in the core of a star?
If there is no hydrogen left at the core of star then hydrogen fusion cannot occur. What happens in the core of a star before that happens is that helium begins to fuse, and then the other elements going up the periodic table until carbon. And then if the star explodes into a supernova, traces of the higher elements are fused as well.
Two main forces in a star?
The two main forces in a star are gravity and nuclear fusion. Gravity pulls matter inward, compressing it and creating the high pressure and temperature needed for nuclear fusion to occur. Nuclear fusion releases energy as light and heat, which counteracts the force of gravity trying to collapse the star.
Why doesn't helium fusion occur at the surface?
Because fusion of any kind requires VERY high temperature and pressure, which can take place only in the core of a star.
