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Life Cycle of a Star

Life Cycle of a Star. Step 1. Nebula : A large cloud of dust and gases Birthplace of stars High temps High pressure. Horse head Nebula. Cone Nebula. California Nebula. Crab Nebula. Boomerang Nebula. Rosette Nebula. Rosette Nebula. Trifid Nebula. Witch head Nebula. Step 2.

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Life Cycle of a Star

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  1. Life Cycle of a Star

  2. Step 1 • Nebula: A large cloud of dust and gases • Birthplace of stars • High temps • High pressure

  3. Horse head Nebula

  4. Cone Nebula

  5. California Nebula

  6. Crab Nebula

  7. Boomerang Nebula

  8. Rosette Nebula

  9. Rosette Nebula

  10. Trifid Nebula

  11. Witch head Nebula

  12. Step 2 • Protostar: A new star that forms when the gases and dust in a nebula condense • Usually more than one is produced per nebula

  13. Step 3 Main Sequence Star Massive Star Has enough energy to fuse hydrogen into helium 10-20 times larger than our Sun Has a shorter life span • Has enough energy to fuse hydrogen into helium • Stable star like our sun

  14. Step 4 Red Giant Super Red Giant hydrogen has been converted into Helium Helium shell expands 20-40 times larger than our Sun • All hydrogen has been converted into Helium • Helium shell expands • 5-10 times larger than our Sun

  15. Step 5 Planetary Nebula Supernova Explosion The massive star runs out of fuel and collapses causing a massive explosion • The dying star runs out of fuel and ejects a cloud of dust and gas as it collapses

  16. Eskimo Nebula

  17. Dumbbell Nebula

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