97 Astronomy Trivia Questions and Answers

Dive into the mysteries of our universe with this captivating collection of astronomy trivia! Whether you’re a budding astronomer, a space enthusiast, or someone who just loves to gaze up at the night sky, these questions are sure to spark your curiosity and test your knowledge. From planets to stars, galaxies to celestial phenomena, venture beyond our Earthly confines and explore the wonders of the cosmos. Ready to embark on this interstellar adventure? Let the questions begin!

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

2. What celestial body is known as the ‘Red Planet’?

3. Which planet has the strongest winds in the solar system?

4. What is the closest star to Earth (other than the Sun)?

5. Which planet has a day that is longer than its year?

6. What galaxy do we live in?

7. What is a supernova?

8. Which planet is known for its rings?

9. What is the dark side of the moon?

10. Which planet is called the ‘gas giant’?

11. Which two planets in our solar system lack moons?

12. What is the name of the fifth planet from the sun?

13. What is the smallest planet in our solar system?

14. Which celestial body has the ‘Sea of Tranquility’?

15. Which planet is the hottest in our solar system?

16. What is a group of stars forming a pattern called?

17. What is the asteroid belt located between?

18. How long does it take for light from the sun to reach Earth?

19. Which dwarf planet was once considered the ninth planet?

20. Which gas makes up most of the sun?

21. What phenomenon causes the Northern and Southern lights?

22. What is the largest moon in our solar system?

23. Which planet rotates on its side?

24. What is the second largest planet in our solar system?

25. What do you call a star’s explosion at the end of its life cycle?

26. Which planet has the Great Red Spot?

27. Which planet is known as the ‘water planet’?

28. How long is a day on Mercury in Earth days?

29. Which planet has the most moons?

30. What is the distance between Earth and the moon on average?

31. Which planet is often referred to as Earth’s twin?

32. What type of galaxy is the Milky Way?

33. Which planet is known for its two-tone color?

34. What is the dense core at the center of a comet called?

35. Which gas makes up the majority of Earth’s atmosphere?

36. How long is a day on Venus in Earth days?

37. What is the darkest part of a shadow during an eclipse called?

38. Which planet has a blue-green color due to methane in its atmosphere?

39. What do you call a small, icy body that orbits the sun?

40. What is the study of celestial objects and phenomena called?

41. Which planet is known for its ice caps?

42. What is the age of the universe estimated to be?

43. Which star is at the center of our solar system?

44. Which planet is named after the Roman god of war?

45. What type of celestial object is the Big Dipper?

46. Which planet has a storm named the ‘Great Dark Spot’?

47. What is the primary component of a nebula?

48. Which planet is named after the Roman goddess of beauty?

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

50. How long is a year on Mars in Earth days?

51. Which planet is the third from the sun?

52. Which celestial body is Earth’s only natural satellite?

53. What do you call a collection of billions of stars?

54. Which planet is named after the king of Roman gods?

55. What force keeps planets orbiting around the sun?

56. Which planet has the Olympus Mons, the largest volcano in the solar system?

57. Which moon is the only one known to have a dense atmosphere?

58. What type of celestial object is the Orion Nebula?

59. Which planet is named after the Roman god of agriculture?

60. What is the common name for the Aurora Borealis?

61. Which planet has a similar size to Earth?

62. What is the smallest type of star?

63. Which planet is the windiest?

64. What is the distance light travels in one year called?

65. What is the boundary around a black hole called?

66. Which planet is named after the Roman god of the sea?

67. Which two elements make up most of the sun’s mass?

68. Which planet has the Valles Marineris, one of the largest canyons in the solar system?

69. What celestial event occurs when the moon passes between Earth and the sun?

70. Which moon of Jupiter might have a subsurface ocean?

71. Which celestial body is also known as a ‘shooting star’?

72. Which is the coldest planet in our solar system?

73. What is the name of the point in a planet’s orbit closest to the sun?

74. What do you call a system with two stars orbiting around their common center of mass?

75. Which planet has a moon named Phobos?

76. Which planet is known as the ‘jewel of the solar system’ due to its beautiful rings?

77. Which moon is the second largest in the solar system?

78. Which planet is named after the Roman god of the sky?

79. What is the brightest planet in the night sky?

80. What is the sun primarily made of?

81. Which moon orbits Neptune and has a retrograde motion?

82. What color is a cooler star?

83. What is the average temperature of the cosmic microwave background radiation?

84. Which star constellation contains the Big Dipper?

85. Which celestial event is the opposite of a solar eclipse?

86. What is the common term for the Southern Lights?

87. Which planet has a hexagonal storm at its north pole?

88. What is the hottest type of star?

89. Which is the second smallest planet in our solar system?

90. What is the term for a star’s brightness as seen from Earth?

91. Which planet was discovered with the help of mathematics?

92. Which planet’s axis is tilted at 23.5 degrees?

93. What is the smallest celestial body in the solar system classified as a dwarf planet?

94. Which planet was discovered in modern times using a telescope?

95. Which celestial event occurs when the sun is at its highest or lowest point relative to the equator?

96. Which planet is also known as the ‘evening star’?

97. What is the spinning motion of a celestial body about its axis called?

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