Final Extra Credit

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Across
  1. 3. the birthplace of stars
  2. 4. phase of a star's life that fuses H to He
  3. 8. plate boundary defined by a colliding motion
  4. 9. elements are substances with the same number of ______
  5. 12. the major flaw with the Big Bang theory is that it goes against the law of conservation of _______\
  6. 14. robots sent to other planets to gather samples
  7. 17. sublayer of the mantle where convection currents occur
  8. 19. theory for the formation of the Solar System (2 words)
  9. 21. model of the solar system with the Earth at the center
  10. 26. the process by which stars make energy. heat. and light (2 words)
  11. 29. ________ radiation, how energy from the sun gets to earth
  12. 32. inner planets are considered to be this, rocky planets
  13. 34. a shift in spectra that tells us an object is moving towards us
  14. 35. sublayer of the mantle that is closest to the crust
  15. 36. force that draws objects towards the center
  16. 37. plate boundary defined by a dividing motion
  17. 38. when one plate goes sideways and downwards underneath another
  18. 43. number of peaks in a given time period of EM waves
  19. 45. What process causes continental drift? (2 words)
  20. 48. most of the nebula pulls towards the center, the outer edges spin and thin during the nebular theory, _________ disk
  21. 51. element with 16 protons
  22. 53. baby star
  23. 56. shape of an orbit
  24. 57. to go from protostar to main sequence ______ fusion has to occur
  25. 58. widest point of an ellipse (two words)
  26. 59. element with 93 protons
  27. 61. object spinning on axis, or around itself
  28. 64. ratio of focal length and major axis
  29. 66. where two plates meet, plate _________ (plural)
  30. 67. violent explosion at the end of a high mass star's life
Down
  1. 1. x-axis (horizontal) of the HR diagram
  2. 2. sublayer of the mantle that is closest to the core
  3. 5. ___% of all stars are main sequence
  4. 6. mass and ________ affect gravitational pull
  5. 7. _____________ space station
  6. 9. dust collides to form small rocky bodies called ________
  7. 10. element with 71 protons
  8. 11. step before final planets
  9. 13. _______ ranges form when two continental plates collide
  10. 15. a device that splits light into wavelength and frequency
  11. 16. phase of a star's life that fuses He to C
  12. 18. one of the final phases of a high mass star's life, formed from a smaller core
  13. 20. color of light with the greatest frequency
  14. 22. the luminosity of the sun
  15. 23. hotter magma rises, cooler magma falls, because of the difference in ______
  16. 24. comic __________ ___________
  17. 25. element with 77 protons
  18. 27. type of crust that will subduct under the other
  19. 28. model of the solar system with the sun at the center
  20. 30. ______ brightness, brightness of stars as viewed from Earth
  21. 31. theory of universal expansion, large explosion created universe
  22. 33. the second focal point of an orbit
  23. 39. the core of a lo/med mass star becomes this, no fusion
  24. 40. gravitational pull on mass
  25. 41. y-axis (vertical) of the HR diagram
  26. 42. color of stars that have the shortest lifespan
  27. 44. outer planets are considered to be this, gas giants
  28. 46. Earth's crust divided into pieces ______ plates
  29. 47. color of stars that have the longest lifespan
  30. 49. plate boundary defined by a sliding motion
  31. 50. distance between peaks of EM waves
  32. 52. a process that happens today that also happened in the past
  33. 54. phase of a star's life that fuses He up to Fe
  34. 55. a shift in spectra that tells us an object is moving away from us
  35. 60. type of crust you are currently sitting on
  36. 61. an object spinning around another object
  37. 62. one of the final phases of a high mass star's life, formed from a larger core
  38. 63. ______ brightness, brightness of stars in comparison to another star
  39. 65. how many atoms an object is made of