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Energy is absorbed in expanding and lifting the gas.
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What is an expanding star after exhausting its hydrogen fuel called?
A Red Giant or a Red Super Giant if it is very large.
What causes a giant star to turn into a white dwarf?
A giant star would experience a supernova explosion, in order to become a white dwarf.
When its fusion stops a star will become either a black hole a neutron star or?
When fusion stops in a star it will start to fuse helium and will become a red giant.
What determines how large a star gets?
Their mass. If its mass is nearly like of sun it will become red giant. If its much bigger, it will become super giant
Does the sun eventually become a neutron star?
As far as we know, the sun will never become a neutron star. it will eventually become a Red Giant and then it will eventually become a white dwarf
Why does an expanding giant star become more luminous?
Less energy is produced in the interior
How will a pulsating star appear when it is expanding?
Cooler and Dimmer
What is an expanding star after exhausting its hydrogen fuel called?
A Red Giant or a Red Super Giant if it is very large.
What is the temperature of an expanding star?
The early stages of a red giant star fit that description.
Why will the color of the sun change from yellow to red when it become a giant?
Color is related to surface temperature, and a "red giant" is cooler than a main sequence, medium-sized star like the Sun.
What if the Sun were expanding into a giant star today How might you cope with this change?
It wouldn't be good
When does a red star become a red giant?
A star become a red giant when the core contracts, the temperature increases and the outer layers of the star begin to expand. By the end of this phase, the star can be 10 to 100 times it diameter. When the temperature in the core reaches 100 000 000°C, the helium start fusing into carbon. Because the star has expanded to such an enormous size, that the outer layer are much cooler than when the star was a main sequence star. It therefore appears red, earning the name of red giant.
What causes a star to become a super giant versus a giant?
That would mainly depend on the star's mass.
How is the sun different from giant star in the main sequence?
It's smaller and cooler. It will also live a lot longer than a blue giant.
How does a main sequence star becomes a giant?
it doesn't because the star may be already dead before its ready to become a giant.
What is a star called that has exhausted its supply of hydrogen?
A star that has exhausted the hydrogen in its core will become a red giant or supergiant.
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.
