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When a main sequence star runs out of fuel it becomes a?
Either a giant or a super giant. Giants will eventually collapse on its core and have a little white dwarf left behind, but they will have the same mass and gravity as the old star. Supergiants will collapse but in an explosion, supernova, and they will either become a nuetron star or a black hole.
What happens when a star uses its hydrogen?
When a star uses the hydrogen in its core it will start burning hydrogen in a shell around the core and become a red giant. After that the star will either collapse into a white dwarf or start fusing helium, depending on its mass.
What makes a high-mass stars core collapse?
the high mass star's core collapse because its gravity
How are giant stars and white dwarf related?
A giant star is a dying star that expanded, and the core shrinks are the same time. When the shell of the giant star drift into space as planetary nebula, the core became a white dwarf. The white dwarf is made from the core of the giant star.
When a red super giant runs out of fuel at its core what is formed?
When a red supergiant runs out of fuel at its core, it can no longer sustain nuclear fusion, leading to the core's collapse under gravity. This collapse results in the formation of a neutron star or, if the mass is sufficient, a black hole. The outer layers of the star are expelled in a supernova explosion, enriching the surrounding space with heavy elements.
What makes a high mass star's core collapse?
A high mass star's core collapses when nuclear fusion ceases and gravitational pressure overwhelms the radiation pressure supporting the core. This collapse leads to a rapid increase in temperature and pressure, triggering a supernova explosion.
What metal causes the death of red giant?
The heaviest element that can be produced in the core of a massive star before it goes supernova is iron. Iron does not cause the death of a red giant, but rather the inability to continue nuclear fusion in its core, leading to its collapse and eventual explosion as a supernova.
What force makes a red super giant collapse?
a strong gravitational force which means that the star will collapse in on itself
How is the red-giant formed?
A red giant forms when a star runs out of hydrogen fuel at its core and starts fusing hydrogen in a shell around the core the core. This causes the star to expand and cool.
What are the Stages of a star?
nebula then protosar then red dwarf, yellow star or a blue giant then a red giant then a red super giant then eithr a white dwarf or a supernova from the supernova a black hole or a neutron star if it is a white dwarf it turns into a black dwarf then a black holeNebulaBaby starStarGiant or supergiantWhite dwarfBlack dwarf
What is the last element to be formed in a very large star as it contracts from the red giant stage?
The last element to be formed in a very large star during its contraction from the red giant stage is iron. As the star's core becomes increasingly hot and dense, nuclear fusion processes create heavier elements up to iron. However, fusion of iron does not release energy, leading to a halt in the fusion process and eventually resulting in the star's collapse and supernova explosion.
Why does a red giant core collapse?
A red giant core collapses primarily due to the exhaustion of nuclear fuel in its core, specifically helium after hydrogen has been depleted. As nuclear fusion slows, the outward pressure from fusion decreases, allowing gravity to dominate and compress the core further. This collapse raises the core's temperature and pressure until it can ignite the next stage of fusion, often leading to the formation of heavier elements. Eventually, this process can trigger a supernova explosion if the star is massive enough.
