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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? _______________________________________ 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? ___________________________________________________ _____________________________________________________________________________________________ 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? ________________________ ___________________________________________________________________________________________ 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? ___________________________________________________________ ______________________________________________________________________________________________ 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- _________________________________________________________ ______________________________________________________________________________________________ 34. Why is Jupiter not a suitable place for humanity to go after the Sun explodes into a Red Giant? _________________ _____________________________________________________________________________________________ 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.)- ___________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ 49. What is required for a Supernova to produce a Black Hole? ____________________________________________ 50. Black Holes sometimes glow around their perimeters. Why? ___________________________________________ ________________________________________________________________________________________________ 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