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Donovan Stars

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S: Donovan Stars

BC: THANK YOU

FC: The life cycle of the stars | BY: Donovan Hartsock

1: The star enter the first life cycle as a ball of gas and dust. Also gravity pulls the gas and dust together to a sphere shape. Then the star gets hotter and the hydrogen changes to helium and it is called nuclear fusion.

2: To My Dad Adam Hartsock and My Mom Jennifer Henderson and family

3: After the the stars form the enters the longest stage of it s life cycle. energy in made in the stars core. hydrogen changes in to helium. The star size of a main sequence star does not change much. This is the middle age.

4: The third stage of a star turns in to red giant. A red giant gets bigger and colder in its belly. A red giant uses its hydrogen. When the red giant star uses its hydrogen the star shrinks. When the red giant gets little the atmosphere gets larger and cools. Also red giants can be 10 times bigger than the sun. Also a supergiants are 100 times bigger than the sun.

5: At the last stage of a star the white dwarf comes in. A white dwarf is at the center of an old star. A white dwarf runs out of hydrogen then it turns in to helium. A white dwarf can shine for billions of years before it cools down.

6: My resources are Holt Science and Technology Astronomy Google.com Googleimages.com http://images.google.com/images?um=1&hl=en&safe=active&tbs=isch%3A1&sa=1&q=main+sequence+star&aq=1&aqi=g-s1g4g-s1g4&aql=&oq=Main+&gs_rfai=&start=0

8: When a star gets older it loses some of its material. It loses its material by a big explosion. When it explodes it combined with other things in space to make a star and more gas and dust.

9: When a star explodes it is more massive than the sun explosion. When a star dies it turns in to a black hole or black dwarf.

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T Grosch
  • By: T G.
  • Joined: over 6 years ago
  • Published Mixbooks: 21
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About This Mixbook

  • Title: Donovan Stars
  • Tags: None
  • Published: over 6 years ago

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