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How hot must the core of a protostar be to begin nuclear fusion?
Wiki User
∙ 13y ago
When the core of a protostar has reached about 10 million K, pressure within is so great that nuclear fusion of hydrogen begins, and a star is born.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoIn a tokamak reactor the plasma has to be heated to about 300 million degC
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Inside a prostar the nuclear fusion of hydrogen will begin when?
The core of the protostar reached an extremely high temperature
What is the site of nuclear fusion on the sun?
If you are asking where does solar nuclear fusion take place, then that would be at the core of stars.
Where does nuclear fusion happen on the sun?
Only at the core, where the temperatures and pressures are high enough.
Nuclear fusion takes place in the Sun's?
The Core. answer by terry
How is energy created in a stars core?
As with our Sun (a star) by nuclear fusion.
Inside a prostar the nuclear fusion of hydrogen will begin when?
The core of the protostar reached an extremely high temperature
A protostar forms once the nebular cloud condenses and the core begins?
nuclear fusion
How hot is the core of a protostar?
The core will reach between 250,000,000 to 500,000,000'C at its stable temperature. Beforehand it will rapidly gain heat from hundreds of thousands to its stable temperature, where it can begin the process of nuclear fusion. Hope that helps!
How is a protostar created?
Sometimes. If the total mass is high enough, and if the cloud of dust and gas collapse to reach a high enough density and pressure, nuclear fusion can begin in the core and it will become a star. If the total mass is not high enough, it may collapse into a "brown dwarf".
What is the site of nuclear fusion on the sun?
If you are asking where does solar nuclear fusion take place, then that would be at the core of stars.
What are the 6 steps to stellar evolution?
A nebula, an immense cloud of hydrogen gas and dust, condenses into smaller regions of matter.On occasion, one of these regions collapses under the force of its own gravitational attraction, often triggered by an outside force, like a nearby supernova-an explosion of a star.After the collapse of a cloud, atoms begin gravitating together to form a condensed center. The condensed center is a protostar. As gravity pulls in more gas and dust, pressure builds, causing the protostar core to heat up.Clouds and matter begin to rotate around the protostar and flatten due to their rotation. They surround the protostar like a rotating disk.The protostar continues to grow and its core continues to heat. When the core is hot enough, nuclear fusion begins. The start of nuclear fusion is technically the beginning of a star's life.Eventually, when the nuclear energy runs out, the star dies. Depending on the size and mass of the star, it can go through many stages and die in different ways-one of those ways being a supernova.
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.
What is the Nuclear process that occurs in the core of the sun?
Nuclear fusion.
Where does nuclear fusion happen on the sun?
Only at the core, where the temperatures and pressures are high enough.
In which part of a newborn star does the fusion reactio occur?
In the center where the pressure and temperature are highest
When do you say that a star is born?
A star is "born" when the compression of the surrounding hydrogen and other gases has compressed the core of a protostar to about 10 millionoK when nuclear fusion occurs. The star is now on the main sequence and is classified as a star
Nuclear fusion takes place in the Sun's?
The Core. answer by terry
