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White Dwarfs and Red Giants

Red Giants and White Dwarfs

By:Haley Scarborough& Ashley Aman

White Dwarfs

life cycle of the sun

Conclusion

White Dwarf

Sun

Red Giant

Throughout this project, we learned multiple new and interesting things about stars in our solar system. For example, when a star depletes hydrogen, it loses the outer layers and the temperature rises, expanding the star and making a red giant. After a red giant, a white dwarf is created when a planetary nebula occurs and only the hot core is left.

Red giants and white dwarfs are stars in different stages of their life. In this Presentation we will explain what makes a Red Giant and a White Dwarf. We will also compare and contrast them.

White Dwarfs are stars, because of this they are located throughout space. They don't have a specific spot.

It is thought to be made out of oxygen and carbon mostly.It also has some hydrogen and helium in it.

White dwarfs actually can't be seen with the naked eye, because of magnitude. In magnitude the lower the number the brighter the star. The brightest white dwarf is 8.3 in magnitude.

Introduction

Red giants and white dwarfs are stars in different stages of their life. In this Presentation we will explain what makes a Red Giant and a White Dwarf. We will also compare and contrast them.

Contrast

A difference in the two, Red giants and White Dwarfs, is if you can see them. You can see some Red Giants with the naked eye but, you can’t see any White Dwarfs

Another difference is in size. White Dwarfs have depleted more gas than Red Giants therefore, the Red Giant is bigger.

A White Dwarf is when all that's left of the star is the white core. A Red Giant is when the outer layers are lost and it expands.

Red Giants

A red giant is a star with a mass like our sun in the final phase of its life. Stars change hydrogen to helium to put off light. Over time, the helium sinks to the core of the star, which is surrounded by hydrogen.

Because the hydrogen is used up it can't produce enough energy and pressure to support the star's outer layers. When the star collapses, helium begins to burn while the temperature rises. All of this causing the star to expand into a red giant.

They are not located in a single spot, they can be found throughout the solar system, because they are stars.

Red Giants are made up of various gases and dust.

Only some Red Giants can be seen from Earth ,but some cannot.

Compare

Red giants and white dwarfs are both stars like our sun that are in the final stages of their lives.

Another similarity is that both red giants and white dwarfs deplete a gas so that the outer layers can't be supported any longer.

Because these are stars, neither of them have a certain location in the solar system so they can be found almost anywhere.

Both of these stars are made up of gases and dust.

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