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The Life Cycle of Stars

The Life Cycle of Stars. Do Now. Compare Aldebaran with Sirius B. Which star is hotter? Which is brighter? How do you know?. Agenda. Do Now Mrbrysonscience.wikispaces.com Life Cycle of Stars Simulation Exit Ticket. Stellar Variables. Heat Color Mass Life Cycle Size

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The Life Cycle of Stars

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  1. The Life Cycle of Stars

  2. Do Now Compare Aldebaran with Sirius B. Which star is hotter? Which is brighter? How do you know?

  3. Agenda • Do Now • Mrbrysonscience.wikispaces.com • Life Cycle of Stars Simulation • Exit Ticket

  4. Stellar Variables • Heat • Color • Mass • Life Cycle • Size • Luminosity/Magnitude/Brightness

  5. Marbles and Washer in Balloons • Place washer in blue balloon • Place black marbles in white balloons • Place white marbles in red and yellow balloons • When you start to blow, blow your balloon down towards the floor • You don’t want to swallow the marble!

  6. Masses of your stars

  7. Galaxy 222 • The balloons represent stars • Every student has a star with a different mass • How is mass different from size? • Mass is the amount of matter in the object regardless of size. • Ex. computer and box

  8. When your star has finished its cycle, follow along with the rest of Galaxy 222 and fill in the boxes on your worksheet.

  9. In our Stellar Nursery What’s happening right now in the nursery?

  10. 10 Million Years Old

  11. 11 Million Years Old

  12. 50 Million Years Old

  13. 55 Million Years Old

  14. 10 Billion Years Old

  15. 12 Billion Years Old

  16. 12.5 Billion Years Old

  17. 100 Billion Years Old

  18. Discussion • What was the effect of mass on life span? • Which stars deflated and which stars exploded? • What does this tell you about our sun?

  19. Exit Ticket • Explain the effect of mass on a star’s life cycle?

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