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What event marks the birth of a star?
fusion of hydrogen atoms into helium atoms
What happens to a star when the outward force of fusion is less than the inward force?
the star collapses in on itself, and usually when the fusion stops it is in the last stages of its life as a giant or supergiant and forms a white dwarf made of the carbon left over from the second stage of helium to carbon fusion from the core of the star that takes place after the hydrogen to helium fusion. after the white dwarf is formed it will eventually cool off into a black dwarf which is basically a carbon corpse of a star
Why is the sun or the star eventually die?
A star eventually uses up all of it's hydrogen in nuclear fusion. They fusion of hydrogen into helium is what makes the star glow bright and hot. When all the helium is fused, the star collapses inward on itself, and becomes a small "white dwarf" star, essentially a pile of "stellar embers". That's the end of a star's life.
What gives star heat and light?
Stars derive their heat and light from the process of nuclear fusion, by which hydrogen becomes helium and other, even heavier elements.
Why doesnt the helium currently in the suns core undergo fusion?
The helium in the Sun's core does not undergo fusion because it primarily consists of helium-4, which is a product of hydrogen fusion. While temperatures and pressures in the core are extremely high, the conditions required for helium fusion—such as even higher temperatures (around 100 million Kelvin) and sufficient density—are not met until much of the hydrogen has been fused into helium. Helium fusion, known as the triple-alpha process, will occur later in the Sun’s life cycle, once it exhausts its hydrogen fuel.
When a red gaint complets helium fusion and collapses it becomes?
When a star runs out of helium, it may still fuse helium into heavier elements - it need not collapse immediately. Eventually, however, the star will run out of usable fuel, and collapse. In that case, depending on its remaining mass, it will become a white dwarf, a neutron star, or a black hole.
Hydrogen becomes what element in nuclear fusion reactions?
Typically, hydrogen-1 is converted into helium-4.
What event marks the birth of a star?
fusion of hydrogen atoms into helium atoms
What type of energy is the sun's energy source?
hydrogen fusion
What produces sun's energy?
Nuclear fusion of Hydrogen to Helium is what produces the Sun's Energy. this takes place in the core. Later when it becomes a Red Giant it will fuse Helium to Carbon
Which nuclear fusion cycle is the next one to begin after helium fusion ends in a massive star?
The next nuclear fusion cycle after helium fusion in a massive star is carbon fusion. This process involves fusing helium nuclei to form carbon. Carbon fusion typically occurs in the core of a massive star after helium fusion is completed.
What fusion in stars occurs to create the element helium?
Hydrogen fusion occurs in stars to create helium. This process, known as nuclear fusion, involves the fusion of hydrogen nuclei to form helium nuclei, releasing large amounts of energy in the process.
What is the product of a fusion reaction with the sun?
In the sun the product of the nuclear fusion is light energy and heat energy. It also created helium from the isotopes deuterium and tritium.
What element is produced by fusion in the interior of sun?
Helium is produced by fusion in the interior of the Sun.
What happens to a star when the outward force of fusion is less than the inward force?
the star collapses in on itself, and usually when the fusion stops it is in the last stages of its life as a giant or supergiant and forms a white dwarf made of the carbon left over from the second stage of helium to carbon fusion from the core of the star that takes place after the hydrogen to helium fusion. after the white dwarf is formed it will eventually cool off into a black dwarf which is basically a carbon corpse of a star
When does hydrogen-helium fusion and helium-carbon fusion occur in stars like our sun?
When hydrogen stocks run out
When does helium fusion begin in a star?
Hydrogen undergoes nuclear fusion to form helium at a temperature of 107 K
