100 Space Trivia Questions and Answers

Welcome, fellow space enthusiasts! Are you ready to test your knowledge and explore the vast expanse of the cosmos from the comfort of your home? We’ve compiled 100 fascinating questions about the universe we inhabit. This Space Trivia collection covers everything from planets in our solar system to the farthest galaxies and black holes. Whether you’re an amateur astronomer, a student, or simply someone who loves to gaze at the stars, you’re sure to find these questions challenging and fun. How much do you really know about the mysteries of space? Let’s find out together! Let the journey begin.

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1. What is the largest planet in our solar system?

2. Which planet is known as the ‘Red Planet’?

3. How long does it take for the light from the Sun to reach the Earth?

4. Which planet has the most moons?

5. What is the largest moon in the Solar System?

6. What was the first animal to orbit Earth?

7. What is the speed of light?

8. What are comets made of?

9. What is a supernova?

10. What is the hottest planet in our solar system?

11. What is the name of the largest volcano in the solar system?

12. What is the name of the first man-made object to leave the solar system?

13. What is the name of the most prominent ring of Saturn?

14. What is the primary component of the Sun?

15. What type of galaxy is the Milky Way?

16. What is the name of the nearest major galaxy to the Milky Way?

17. What is the distance between the Earth and the Moon?

18. What is the age of the universe?

19. What type of planet is Neptune?

20. What is the largest dwarf planet in our solar system?

21. What is a pulsar?

22. What causes a solar eclipse?

23. What was the name of the first human to walk on the moon?

24. What is the name of the galaxy that is on a collision course with the Milky Way?

25. Which planet has the shortest day of all the planets?

26. How many stars does the Milky Way contain?

27. What is the diameter of the Earth?

28. What was the first spacecraft to visit Mars?

29. What is a white dwarf?

30. What is a black hole?

31. What was the first planet discovered using a telescope?

32. What are meteoroids?

33. What are asteroids?

34. Which planet rotates on its side?

35. Which planet has a year that lasts 88 Earth days?

36. What is the space probe ‘New Horizons’ famous for?

37. Which planet has the largest ocean in the solar system?

38. What is the space between galaxies called?

39. What is the Oort Cloud?

40. What is the speed of the Earth’s rotation?

41. Which planet has the strongest magnetic field in the solar system?

42. What is the name of the second man who walked on the moon?

43. Which planet has the most circular orbit?

44. What is the Kuiper Belt?

45. What is the estimated number of galaxies in the universe?

46. Which planet has the Great Red Spot?

47. Which planet is known for its rings?

48. Which planet is the coldest in the solar system?

49. What is the largest type of star in the universe?

50. What is the name of the first woman in space?

51. What is the name of the NASA Mars rover that landed in 2021?

52. What is the average temperature on Mars?

53. Which planet has the biggest storm known in the solar system?

54. Which planet has the most complex atmospheric weather system?

55. What is the densest planet in the solar system?

56. What is the name of the biggest star in the universe?

57. Which is the brightest planet in the night’s sky?

58. What is the distance of one astronomical unit (AU)?

59. What is the closest star to Earth?

60. What is the term for a moon that orbits a planet?

61. Which planet has the fastest winds in the solar system?

62. What is the shape of the Milky Way galaxy?

63. What is the smallest planet in the solar system?

64. What is a light year?

65. What is the name of the galaxy that contains our solar system?

66. What is the smallest star in the universe?

67. What is the dark matter?

68. What is a cosmic year?

69. Which is the largest moon of Saturn?

70. What is the difference between an asteroid and a comet?

71. What is the heliosphere?

72. What is the name of the boundary at the edge of the heliosphere?

73. What is the biggest black hole known as of now?

74. What is the name of the space telescope launched by NASA in 1990?

75. What causes a lunar eclipse?

76. What is a habitable zone in astronomy?

77. What is the name of the first American to orbit Earth?

78. What is the Cassini Division?

79. What is a Quasar?

80. What is the weight of the Earth?

81. What is the oldest known planet in the universe?

82. What is the tilt of Earth’s axis?

83. What is the brightest star in the night sky?

84. What is the name of the rover that discovered evidence of water on Mars in 2013?

85. What is the largest object in the asteroid belt?

86. What is the Crab Nebula?

87. What is the name of the boundary that separates the solar system from interstellar space?

88. What is the name of the first successful weather satellite?

89. What is a solar flare?

90. What is a neutron star?

91. What is the biggest known structure in the universe?

92. What is the name of the theory that explains the creation of the universe?

93. What is the most common type of star found in the Milky Way?

94. What is the name of the dwarf planet located beyond Pluto?

95. What is the name of the probe that visited Pluto in 2015?

96. What is the most abundant element in the universe?

97. What is a protostar?

98. What are the Van Allen radiation belts?

99. What is a solar prominence?

100. What is the name of the mission that landed humans on the moon?

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