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a star: After millions to billions of years, depending on the initial mass of the star, the continuous fusion of hydrogen into helium will cause a build-up of helium in the core. Larger and hotter stars produce helium more rapidly than cooler and less massive ones. The accumulation of helium, which is denser than hydrogen, in the core causes gravitational self-compression and a gradual increase in the rate of fusion. Higher temperatures must be attained to resist this increase in gravitational compression and to maintain a steady state.
Eventually, the core exhausts its supply of hydrogen, and without the outward pressure generated by the fusion of hydrogen to counteract the force of gravity, it contracts until either electron degeneracy becomes sufficient to oppose gravity, or the core becomes hot enough (around 100 megakelvins) for helium fusion to begin. Which of these happens first depends upon the star's mass.
What else can I help you with?
What factor determines what happens to the star after a supernova?
Mass decides a stars ultimate fate.
What determines if a star will become a rea giant or a super giant?
A star's entire fate is tied into its initial mass. Nothing else matters.
What factor determines a star's fate when it dies?
The mass of the star is the main factor that determines its fate when it dies. Stars with more mass will undergo more violent and spectacular deaths, such as exploding as supernovae or collapsing into black holes. Less massive stars may end their lives more quietly as white dwarfs or neutron stars.
What is the fundamental quality of star that indicates its ultimate fate?
The mass of a star is the fundamental quality that indicates its ultimate fate. A star's mass determines whether it will end its life as a white dwarf, neutron star, or black hole. More massive stars are likely to undergo supernova explosions and collapse into neutron stars or black holes, while lower-mass stars will evolve into white dwarfs.
Is a stars eventual fate determined by its initial mass or by the mass it has at the end of it's life?
Ultimately the mass a star has at the end of its life depends on its initial mass. This mass determines what stages a star will go through in its death throws.
What are the three forms of stellar death and what determines the final fate of a star at birth?
A star may become a white dwarf, a neutron star, or a black hole. Which option applies depends on the mass of the star - more specifically, how much mass is left at the end - for example, after a supernova explosion if there is one.
How does a star form and what determines its lifespan?
How does a star form and what determines its lifespan?Read more: How_does_a_star_form_and_what_determines_its_lifespan
What controls blood glucose level and determines the fate of glycogen?
pancreas
What beliefs is not consistent Lutheranism?
Predestination determines the ultimate fate of a person.
What is the most important determining he fate of a star?
It is the mass of the star.
What determines color of the stars?
The temperature determines the color of the star!:)
What is the main factor that shapes the life and death of a star?
The main factor that shapes the life and death of a star is its mass. The more massive the star, the faster it burns through its fuel and the faster it evolves. The mass of a star determines its temperature, luminosity, and eventual fate, such as whether it will end as a white dwarf, neutron star, or black hole.
