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What is a large cool star form when a star runs out of hydrogen?
When a star runs out of hydrogen in its core, it starts fusing helium into heavier elements like carbon and oxygen. This process causes the outer layers of the star to expand and cool, becoming a red giant.
A large cool star formed when a star runs out of hydrogen?
red giant
Is Betelgeuse hot or cold?
Betelgeuse is a red giant star and comparatively cool.
How does a red giant star compare to the sun?
A red giant star is much larger and brighter than the Sun. It is in the later stages of its life cycle when it begins to expand and cool down. Eventually, it will shed its outer layers and become a white dwarf.
Outline the history and probable future of your sun?
In the past it was a main sequence star. In the future it will be a giant star and will cool off.
What happens when the outward force of pressure wins out over gravity in an old star?
When the outward force of pressure wins over gravity in an old star, the star will expand and cool, becoming a red giant. This process occurs as the star exhausts its nuclear fuel and transitions to a different phase of stellar evolution.
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 is older the super giant star or the giant star?
The giant star
Is a red giant an old dense cool star?
A red giant [See related question] is the final part in a stars main sequence [See related question] life. It is old but not very dense nor cool but certainly cooler than when it was a main sequence star.
What is an old star of average size that has begun to expand and cool as its fuel has begun to run out?
Red giant.
What is an expanding star after exhausting its hydrogen fuel called?
An expanding star after exhausting its hydrogen fuel is called a red giant. This stage occurs when the core contracts and heats up, causing the outer layers of the star to expand and cool, giving it a red color.
Is red giant a star or a type of star?
Red giant is a type of star.
