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Name _____________________________________________
Date __________________
Period ______
Celestia DATA WORKSHEET
The Life and Death of Stars – to Accompany Educational Activity 6
1. How far is a Light Year in distance? _____________________________ km or mi. (circle one)
2. Define a Nebula: _________________________________________________________________________
3. What is another name for M42?
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4. What is happening in M42? _______________________________________________________________
5. The primary element in any space nebula is the element _______________________
6. What other elements are M42 made of? _________________________________________________________
7. What force begins to shape a nebula into a star? _______________________________________
8. Name one other nebula that is a star-forming region? ____________________________________________
List three physical things that are occurring in or to a Protostar9. ______________________________________________________________________
10. ______________________________________________________________________
11. ______________________________________________________________________
12. What causes a Protostar’s jets? ____________________________________________________________________
13. Why do planets frequently form around Protostars? ___________________________________________________
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14. How hot is the inside of a Protostar? ___________________ the surface? ____________________
15. What force compresses the core of a Protostar? ____________________
16. What is the ratio of hydrogen to helium in a typical new Protostar? _________ to __________
17. What is the minimum temperature a Protostar must achieve to begin hydrogen fusion? ____________F
18. Define hydrogen fusion- ____________________________________________________________________
19. If our Sun is blowing up like a bomb, why does it not just blast itself into space? ________________________
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20. Define the Solar Wind- ______________________________________________________________________
Stars that are fusing hydrogen to helium can go by three names, depending upon their size and temperature. In order
of size from smaller to larger, name the three star types21. _________________________
22. ___________________________
23. _________________________
24. What is the brightest star in our night sky? _______________________________________
25. Rigel is a massive Blue Supergiant star. Why is it blue in color and not yellow? _____________________________
26. Why is a Brown Dwarf not a true star? ______________________________________________________________
What two types of fusion are occurring inside a Red Giant?
27. ____________________________ and _______________________________
28. Why is a Red Giant red, when it is so big? ___________________________________________________________
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29. How long do we have to wait before the Sun becomes a Red Giant? _________________________
30. What is the name of the largest Red Super-Supergiant we have ever found? _____________________________
31. How far is it from Earth? (press the [H] key and read the distance from the display) ______________________
32. Why will the Earth be totally destroyed? _________________________________________________________
33. What will happen ultimately to all the atoms that now make up your body (be specific and accurate) Hint: the answer
requires more than just step 77 to answer- _________________________________________________________
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34. Why is Jupiter not a suitable place for humanity to go after the Sun explodes into a Red Giant? _________________
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35. Where will humanity have to live, if we are still around? __________________________________________
36. What part of a star’s life cycle is the Eight Burst nebula? ____________________________
37. Where did the carbon and oxygen in your body originally come from? ____________________________________
38. What does the Law of Angular Momentum do to a White Dwarf? _____________________________________
39. Why is Sirius B rotating slower than TYC-2-900-0? _______________________________________________
40. How will our Sun finally end its existence? ________________________________________________________
41. What elements form in the heart of a Supernova? __________________________________________________
42. When did the Crab Supernova explode? __________________
43. Why is the Crab Nebula so many colors? ____________________________________________________________
44. Define a Neutron Star- _____________________________________________________________________
45. What are the two main properties of a Neutron Star? _____________________ and _______________________
46. – 48. How does a pulsar form? Be specific (3 pts.)- ___________________________________________________
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49. What is required for a Supernova to produce a Black Hole? ____________________________________________
50. Black Holes sometimes glow around their perimeters. Why? ___________________________________________
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51. What is an Accretion Disk? ______________________________________________________________________
Inside or next to the boxes below, list the name of the life-cycle for a star like our Sun
7 pts
Nebula
Inside or next to the boxes below, list the parts of the life-cycle of a massive star
11 pts
Nebula