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Thermonuclear fusion of hydrogen occurs during the red giant phase. Helium to carbon fusion, or dredge up, also occurs at this time.
A star that has exhausted the hydrogen in its core will become a red giant or supergiant.
When the sun exhausts the hydrogen in its core and become a red giant.
After a star burns up all it's hydrogen, it becomes a red giant.
When aÊstar completes it's Red Giant phase they become White Dwarfs. The Red Giant phase of stars takes about a billion years.
Thermonuclear fusion of hydrogen occurs during the red giant phase. Helium to carbon fusion, or dredge up, also occurs at this time.
The dying phase of a massive star begins when it runs out of usable hydrogen that it can convert to helium. Once it becomes a red giant, it slowly dies out.
A star that has exhausted the hydrogen in its core will become a red giant or supergiant.
When the sun exhausts the hydrogen in its core and become a red giant.
After a star burns up all it's hydrogen, it becomes a red giant.
A red giant is a star that has (to a great extent, at least) run out of hydrogen; it will therefore fuse hydrogen into heavier elements.
A Red Giant or a Red Super Giant if it is very large.
Nothing much. Their orbits are outside of the radius of the sun while in the gas giant phase.
When aÊstar completes it's Red Giant phase they become White Dwarfs. The Red Giant phase of stars takes about a billion years.
After a star burns up all it's hydrogen, it becomes a red giant.
No. That is when stars run out of hydrogen. They then have helium for fuel.
It probably wont hit Mars at the Red Giant phase but Mars will get VERY hot.