The reason behind a red dwarf not leaving the main sequence.

Question

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Answer 1

Question

Chapter 19, Problem 1CC

To determine

The reason behind a red dwarf not leaving the main sequence.

Expert Solution & Answer

Answer to Problem 1CC

Solution:

To leave the main sequence, a red dwarf should finish converting its core hydrogen to helium, which also determines its lifetime, but it takes millions of years, which is more than the life of the universe.

Explanation of Solution

Introduction:

A red dwarf star belongs to the main sequence stars of M type. It is a small and cool star, its red color is due to cool temperature. A red dwarf has convection cells of the rising and falling gases, throughout its volume. In order to leave the main sequence, a star must have converted all of its hydrogen to helium.

Explanation:

Due to the thermonuclear reactions occurring in the core, helium is produced and this gets replaced by the hydrogen from the outer layers of the star. Convection cells of the rising and falling gases lead to the replacement of the helium produced in the core. This ultimately fuels the star and increases its lifetime. According to the calculations, this lifetime can be hundreds of billions of years, but the present age of the universe is 13.6 billion years only. Hence, a red dwarf cannot leave the main sequence.

Conclusion:

Due to its huge lifetime, a red dwarf is unable to leave the main sequence.

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Answer 2

Question

Chapter 19, Problem 1CC

To determine

The reason behind a red dwarf not leaving the main sequence.

Expert Solution & Answer

Answer to Problem 1CC

Solution:

To leave the main sequence, a red dwarf should finish converting its core hydrogen to helium, which also determines its lifetime, but it takes millions of years, which is more than the life of the universe.

Explanation of Solution

Introduction:

A red dwarf star belongs to the main sequence stars of M type. It is a small and cool star, its red color is due to cool temperature. A red dwarf has convection cells of the rising and falling gases, throughout its volume. In order to leave the main sequence, a star must have converted all of its hydrogen to helium.

Explanation:

Due to the thermonuclear reactions occurring in the core, helium is produced and this gets replaced by the hydrogen from the outer layers of the star. Convection cells of the rising and falling gases lead to the replacement of the helium produced in the core. This ultimately fuels the star and increases its lifetime. According to the calculations, this lifetime can be hundreds of billions of years, but the present age of the universe is 13.6 billion years only. Hence, a red dwarf cannot leave the main sequence.

Conclusion:

Due to its huge lifetime, a red dwarf is unable to leave the main sequence.

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Answer 3

Question

Chapter 19, Problem 1CC

To determine

The reason behind a red dwarf not leaving the main sequence.

Expert Solution & Answer

Answer to Problem 1CC

Solution:

To leave the main sequence, a red dwarf should finish converting its core hydrogen to helium, which also determines its lifetime, but it takes millions of years, which is more than the life of the universe.

Explanation of Solution

Introduction:

A red dwarf star belongs to the main sequence stars of M type. It is a small and cool star, its red color is due to cool temperature. A red dwarf has convection cells of the rising and falling gases, throughout its volume. In order to leave the main sequence, a star must have converted all of its hydrogen to helium.

Explanation:

Due to the thermonuclear reactions occurring in the core, helium is produced and this gets replaced by the hydrogen from the outer layers of the star. Convection cells of the rising and falling gases lead to the replacement of the helium produced in the core. This ultimately fuels the star and increases its lifetime. According to the calculations, this lifetime can be hundreds of billions of years, but the present age of the universe is 13.6 billion years only. Hence, a red dwarf cannot leave the main sequence.

Conclusion:

Due to its huge lifetime, a red dwarf is unable to leave the main sequence.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 19, Problem 1CC

To determine

The reason behind a red dwarf not leaving the main sequence.

Expert Solution & Answer

Answer to Problem 1CC

Solution:

To leave the main sequence, a red dwarf should finish converting its core hydrogen to helium, which also determines its lifetime, but it takes millions of years, which is more than the life of the universe.

Explanation of Solution

Introduction:

A red dwarf star belongs to the main sequence stars of M type. It is a small and cool star, its red color is due to cool temperature. A red dwarf has convection cells of the rising and falling gases, throughout its volume. In order to leave the main sequence, a star must have converted all of its hydrogen to helium.

Explanation:

Due to the thermonuclear reactions occurring in the core, helium is produced and this gets replaced by the hydrogen from the outer layers of the star. Convection cells of the rising and falling gases lead to the replacement of the helium produced in the core. This ultimately fuels the star and increases its lifetime. According to the calculations, this lifetime can be hundreds of billions of years, but the present age of the universe is 13.6 billion years only. Hence, a red dwarf cannot leave the main sequence.

Conclusion:

Due to its huge lifetime, a red dwarf is unable to leave the main sequence.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 19, Problem 1CC

To determine

The reason behind a red dwarf not leaving the main sequence.

Expert Solution & Answer

Answer to Problem 1CC

Solution:

To leave the main sequence, a red dwarf should finish converting its core hydrogen to helium, which also determines its lifetime, but it takes millions of years, which is more than the life of the universe.

Explanation of Solution

Introduction:

A red dwarf star belongs to the main sequence stars of M type. It is a small and cool star, its red color is due to cool temperature. A red dwarf has convection cells of the rising and falling gases, throughout its volume. In order to leave the main sequence, a star must have converted all of its hydrogen to helium.

Explanation:

Due to the thermonuclear reactions occurring in the core, helium is produced and this gets replaced by the hydrogen from the outer layers of the star. Convection cells of the rising and falling gases lead to the replacement of the helium produced in the core. This ultimately fuels the star and increases its lifetime. According to the calculations, this lifetime can be hundreds of billions of years, but the present age of the universe is 13.6 billion years only. Hence, a red dwarf cannot leave the main sequence.

Conclusion:

Due to its huge lifetime, a red dwarf is unable to leave the main sequence.

Answer 6

Chapter 19, Problem 1CC

To determine

The reason behind a red dwarf not leaving the main sequence.

Expert Solution & Answer

Answer to Problem 1CC

Solution:

To leave the main sequence, a red dwarf should finish converting its core hydrogen to helium, which also determines its lifetime, but it takes millions of years, which is more than the life of the universe.

Explanation of Solution

Introduction:

A red dwarf star belongs to the main sequence stars of M type. It is a small and cool star, its red color is due to cool temperature. A red dwarf has convection cells of the rising and falling gases, throughout its volume. In order to leave the main sequence, a star must have converted all of its hydrogen to helium.

Explanation:

Due to the thermonuclear reactions occurring in the core, helium is produced and this gets replaced by the hydrogen from the outer layers of the star. Convection cells of the rising and falling gases lead to the replacement of the helium produced in the core. This ultimately fuels the star and increases its lifetime. According to the calculations, this lifetime can be hundreds of billions of years, but the present age of the universe is 13.6 billion years only. Hence, a red dwarf cannot leave the main sequence.

Conclusion:

Due to its huge lifetime, a red dwarf is unable to leave the main sequence.

Answer 7

Chapter 19, Problem 1CC

To determine

The reason behind a red dwarf not leaving the main sequence.

Answer 8

Expert Solution & Answer

Answer to Problem 1CC

Solution:

To leave the main sequence, a red dwarf should finish converting its core hydrogen to helium, which also determines its lifetime, but it takes millions of years, which is more than the life of the universe.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Introduction:

A red dwarf star belongs to the main sequence stars of M type. It is a small and cool star, its red color is due to cool temperature. A red dwarf has convection cells of the rising and falling gases, throughout its volume. In order to leave the main sequence, a star must have converted all of its hydrogen to helium.

Explanation:

Due to the thermonuclear reactions occurring in the core, helium is produced and this gets replaced by the hydrogen from the outer layers of the star. Convection cells of the rising and falling gases lead to the replacement of the helium produced in the core. This ultimately fuels the star and increases its lifetime. According to the calculations, this lifetime can be hundreds of billions of years, but the present age of the universe is 13.6 billion years only. Hence, a red dwarf cannot leave the main sequence.

Conclusion:

Due to its huge lifetime, a red dwarf is unable to leave the main sequence.