3. Don’t Forget... Contestants

4. …Always phrase your answers in the form of a question!

5. Hands on your buzzers, its...

6. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

7. What is…? Changing View for $100 This planet has a rocky core and mantle of ice, ammonia, and methane which is surrounded by a generally featureless atmosphere. Y es NO

8. Uranus Back to Game

9. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

10. This is the Earth- centred model of the solar system What is…? Changing View for $200 Y es NO

11. Geocentric model Back to Game

12. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

13. These high-temperature eruptions of gases are found near sunspots What are…? Changing View for $300 Y es NO

14. Solar flares Back to Game

15. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

16. . What are…? Changing View for $400 Y es NO This celestial body orbits the sun and has a bright nucleus and a fainter tail which always points away from the sun.

17. Comets Good Answer! Back to Game

18. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

19. In a celestial body's orbit, this is an actual or apparent movement opposite to that of the usual east-to-west direction What is…? Changing View for $500 Y es NO

20. Back to Game Retrograde Motion

21. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

22. These are the two main features of stars that the Hertzsprung-Russell diagram describes. What are…? The Lives of Stars for $100 Y es NO

23. Back to Game 1. Luminosity 2. Temperature/colour

24. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

25. What are…? The Lives of Stars for $200 Y es NO A group of stars connected by imaginary lines to form an image in the sky?

26. Constellations Back to Game

27. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

28. What is the…? The Lives of Stars for $300 Y es NO This is the hypothesis that many astronomers currently hold regarding how our solar system was developed.

29. Solar Nebula Theory Back to Game

30. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

31. What are…? The Lives of Stars for $400 Y es NO These low mass stars consume their hydrogen very slowly over a period that may be as long as 100 billion years

32. Red Dwarfs Back to Game

33. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

34. What is…? The Lives of Stars for $500 Y es NO Using a spectroscope, astronomers can analyze the light from a star to tell us this..

35. The star's chemical composition Back to Game

36. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

37. What is a…? Exploring the Cosmos for $100 Y es NO This is a large accumulation of stars, dust and gas which is held together by gravity.

38. Back to Game Galaxy

39. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

41. What is a…? Exploring the Cosmos for $200 Y es NO This is a small super-dense star that was thought to be a crushed remant of a large star that has exploded as a supernova.

42. Back to Game Neutron Star

43. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

44. What are…? Exploring the Cosmos for $300. Y es NO These are the three known types of galaxies.

45. 1. Spiral 2. Elliptical 3. Irregular Back to Game

46. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

47. What is the…? Exploring the Cosmos for $400 This is the apparent change in frequency of sound, light, and other waves due to the relative motion between the observer and the wave source. Y es NO

48. Doppler Effect Back to Game

49. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

50. What is…? Exploring the Cosmos for $500 This is a method of indirectly measuring the distance by creating an imaginary triangle between the observer and an object whose distance is to be estimated. Y es NO

51. Triangulation Back to Game

52. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

53. What is…? Earth and Space for $100 Y es NO This effect on Earth is caused by the moon's gravitational pull towards it.

54. Back to Game. Tides

55. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

56. What is…? Earth and Space for $200 Y es NO The Aurora Borealis (Northern Lights) are caused partly by these tiny particles from the sun.

57. Back to Game Solar wind

58. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

59. What is the…? Earth and Space for $300 Y es NO This is a natural process that traps heat in the atmosphere and prevents it from escaping into outer space.

60. Back to Game Greenhouse Effect

61. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

62. What is the…? Earth and Space for $400 Y es NO This is the space surrounding a celestial body, such as the Earth, in which that body's magnetic field exists.

63. Back to Game Magnetosphere

64. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

65. What is…? Earth and Space for $500 Y es NO This is a network of artificial satellites revolving around the Earth that send out continous location and time signals which are used as a navigational tool.

66. Back to Game Global Positioning System (GPS)

67. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

68. What is the…? Space Stuff for $100 Y es NO Space rocks that exist in a band between Mars and Jupiter

69. Back to Game Asteroid Belt

70. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

71. What are…? Space Stuff for $200 Y es NO These are the planets in our solar system starting from the sun.

72. Back to Game Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto

73. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

74. What is…? Space Stuff for $300 Y es NO This is the reaction which occurs in stars like our sun to create immense heat and light energy.

75. Fusion Back to Game

76. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

77. What is…? Pick the Picture for $400 Y es NO

78. Mars Back to Game

79. 500 100 200 300 100 300 200 300 200 100 200 500 300 200 100 400 The Changing View from Earth The Lives of Stars Earth and Space Earth and SpaceSpaceStuff Exploring the Cosmos

80. What is the…? Pick the Picture for $500 Y es NO This is the space between stars.

81. Iner-stellar medium.

83. One light year is thought to be approximately this many Astronomical Units (AU). FINAL JEOPARDY What is...

84. 63 240 AU (approx. 60 000 AU)