Think you know everything about space? Well, buckle up, buttercup, because the universe is about to humble you faster than you can say “black hole.”

Space isn’t just pretty stars and astronauts floating around looking cool in their suits. It’s packed with mind-bending facts that’ll make your brain do somersaults and question everything you thought you knew about, well, everything.

From planets that rain diamonds to sounds that don’t exist, these questions about space are designed to stump even the smartest space enthusiasts.

So grab your thinking cap and prepare to feel wonderfully confused about the cosmic neighborhood we call home because space is way weirder than anyone ever told you.

Why Space Continues to Intrigue

Space is like that mysterious neighbor who never mows their lawn but somehow always has the coolest stuff going on. We can’t help but peek over the fence and wonder what’s happening up there.

Maybe it’s because space represents the ultimate “what if” scenario. What if there are pizza-loving aliens? What if we could vacation on Mars?

• It’s the ultimate mystery box: Every new finding just leads to ten more questions.
• It makes our problems seem tiny: Hard to stress about laundry when contemplating infinity.
• It’s constantly changing – New planets, exploding stars, and cosmic dance parties happen daily.

Mindboggling Questions About Space

Space is an endless expanse filled with mysteries that continue to astound us. From the unimaginable size of galaxies to the perplexing nature of black holes, the universe is filled with mind-boggling phenomena.

Given below are some intriguing that will challenge your knowledge and spark your curiosity about the cosmos. Prepare to learn some of the most thought-provoking aspects of our universe!

Planets Based Questions on Our Solar System

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

2. Which planet is known as the “red planet”?

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

4. What is the coldest planet in our solar system?

5. Which planet has the most moons in our solar system?

6. What is the closest star to Earth?

7. Which planet is closest to the sun?

8. Which planet has the shortest day in the solar system?

9. Which planet is famous for its giant storm, known as the Great Red Spot?

10. What is the name of the largest moon of Jupiter?

11. What is the name of the largest moon of Saturn?

12. Which planet has the longest year?

13. Which planet has the most extreme temperature variations?

14. Which planet has the longest day compared to its year?

15. Which planet is known for its rings?

16. Which planet is known as the “morning star”?

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

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

19. Which planet has a day that lasts longer than its year?

20. Which planet has the largest volcano in the solar system?

Questions on Space Research and Missions

21. What is the name of the first human to walk on the moon?

22. What is the name of the first artificial satellite launched into space?

23. What is the name of the spacecraft that first landed on Mars in 1976?

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

25. What is the name of NASA’s Mars rover that landed in 2012?

26. What is the name of the first successful space mission to land on the moon?

27. What is the name of the first space shuttle to be launched into space?

28. What is the name of the spacecraft that explored the dwarf planet Ceres?

29. What is the name of the first space mission to land on Venus?

30. What is the name of the first successful interplanetary probe launched by NASA in the 1960s?

31. What is the name of the first human-made object to leave the solar system?

32. What was the name of the first space station to orbit Earth?

33. What is the name of the first space mission to land on a comet in 2014?

34. What is the name of the spacecraft that first explored the outer solar system and became the first human-made object to leave the solar system?

35. What is the name of the space mission that provided the first detailed pictures of the surface of Venus?

36. What is the name of the space mission that provided the first close-up images of Saturn’s moon, Titan?

37. What is the name of the first-ever successful Mars rover mission?

38. What is the name of the spacecraft that reached and explored the outer edges of the solar system?

Questions About Space on Stars, Moons, and Galaxies

39. What is the name of the largest galaxy in the local group of galaxies?

40. What is the name of the brightest star in Earth’s night sky?

41. What is the name of the largest moon of Neptune?

42. What is the largest moon of Earth’s closest planetary neighbor, Mars?

43. What is the name of the most enormous black hole discovered in our galaxy?

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

45. Which star is the brightest in Earth’s night sky?

46. What is the closest star system to Earth, Alpha Centauri?

47. What is the name of the closest galaxy to the Milky Way?

48. Which star is at the center of the Milky Way galaxy?

49. Which celestial object is considered the most distant galaxy ever discovered?

50. What is the name of the nebula where new stars are being born?

Space Phenomena and Objects

51. What is the name of the asteroid belt located between Mars and Jupiter?

52. What is the name of the first successful space probe to fly by Jupiter?

53. What is the name of the largest volcano in the solar system, located on Mars?

54. What is the name of the famous telescope used to observe distant galaxies?

55. What is the term for a planet that orbits outside of the solar system?

56. What is the name of the first space mission to explore Pluto?

57. What is the name of the famous telescope launched in 1990 that helped expand our view of the universe?

58. What is the name of the first spacecraft to leave the solar system?

59. What is the term used for the time it takes for a planet to complete one orbit around the sun?

60. What is the name of the dark spot seen on Jupiter, known for its massive storm system?

61. What is the name of the comet that orbits the sun roughly every 76 years?

62. What is the name of the spacecraft that first explored the outer planets in our solar system?

63. What is the name of the first human to travel into space and orbit the Earth?

64. What is the name of the first-ever successful interplanetary probe launched by NASA in the 1960s?

65. What is the name of the first successful space mission to land on the moon?

General Space Knowledge Questions

66. How many moons does Saturn have?

67. What is the name of the first space mission to land on Venus?

68. What is the name of the first spacecraft to reach Pluto?

69. How many Earths could fit inside Jupiter?

70. What is the name of the first space station built by humans?

71. Which planet has the longest day in the solar system?

72. How long is a day on Venus?

73. What is the largest moon of Saturn?

74. Which planet is known for having the most extreme axial tilt?

75. What is the name of the first artificial satellite launched by the soviet union in 1957?

76. Which planet has the most extreme volcanic activity in the solar system?

77. What is the name of the first successful space probe to fly by Jupiter?

78. What is the name of the first spacecraft to land on Mars?

79. What is the name of the spacecraft that provided the first detailed pictures of the surface of Venus?

80. How many Earths would fit inside the sun?

81. Which planet is closest to Earth in size and mass?

82. What is the name of the spacecraft that captured the first images of Pluto?

83. Which planet has the most moons in the solar system?

84. Which planet is known for its extreme temperature swings between day and night?

85. What is the name of the largest moon of Jupiter?

86. How long does it take light to travel from the sun to Earth?

87. Which planet has the highest winds in the solar system?

88. Which planet is known for having rings around it?

89. What is the name of the first manned mission to space?

90. What is the name of the satellite first launched in 1957 by the soviet union?

91. What is the largest galaxy in the universe?

92. Which planet has the most moons in the solar system?

93. What is the name of the star that is closest to our solar system?

94. Which star has the longest lifespan in the universe?

95. Which galaxy is closest to the Milky Way?

96. How long is the orbit of Earth around the sun?

97. What is the name of the largest moon of Saturn?

98. What is the largest moon in the solar system?

99. What is the farthest object ever reached by human-made space technology?

100. What is the most common element in the universe?

101. How many moons does Mars have?

Find Your Answers Here

The questions left you scratching your head? Don’t worry! All the answers are given below:

1. Jupiter
2. Mars
3. Venus
4. Neptune
5. Saturn
6. The sun (sol)
7. Mercury
8. Jupiter
9. Jupiter
10. Ganymede
11. Titan
12. Neptune
13. Mercury
14. Venus
15. Saturn
16. Venus
17. Neptune
18. Neptune
19. Venus
20. Olympus Mons (on Mars)
21. Neil armstrong
22. Sputnik 1
23. Viking 1
24. Valentina tereshkova
25. Curiosity
26. Apollo 11
27. Columbia (sts-1, space shuttle)
28. Dawn
29. Venera 7
30. Mariner 2
31. Voyager 1
32. Salyut 1
33. Rosetta (Philae lander)
34. Voyager 1
35. Venera 9
36. Cassini–Huygens
37. Sojourner (Mars Pathfinder mission)
38. Voyager 1
39. Andromeda
40. Andromeda galaxy (M31)
41. Sirius
42. Triton
43. Phobos
44. Sagittarius A* (the supermassive black hole at the center of the Milky Way)
45. The sun
46. Sirius
47. Alpha centauri
48. Andromeda galaxy (M31)
49. Sagittarius a*
50. Gn-z11 (as of 2024, subject to change with discoveries)
51. Orion nebula (m42)
52. Pioneer 10
53. Olympus mons
54. Hubble Space Telescope
55. Exoplanet
56. New horizons
57. Hubble Space Telescope
58. Voyager
59. Halley’s comet
60. Pioneer 10 and Voyager 1 (both explored outer planets, but Voyager 1 is more famous for this)
61. Yuri gagarin
62. Mariner 2
63. Apollo 11
64. 145 (as of 2024; the number may change as new moons are discovered)
65. Venera 7
66. New horizons
67. About 1,300 Earths
68. Salyut 1
69. Venus Pioneer 10
70. Orbital period (or “year”)
71. The great red spot
72. About 243 Earth days
73. Titan
74. Uranus (axial tilt of about 98 degrees)
75. Sputnik 1
76. Io (moon of Jupiter)
77. Pioneer 10
78. Viking 1
79. Venera 9
80. About 1.3 million Earths
81. Venus
82. New horizons
83. Saturn
84. Mercury
85. Ganymede
86. About 8 minutes and 20 seconds
87. Neptune
88. Saturn
89. Vostok 1 (Yuri Gagarin)
90. Sputnik 1
91. IC 1101 (one of the largest known galaxies)
92. Saturn
93. Proxima centauri
94. Red dwarf stars
95. Andromeda galaxy (M31)
96. 365.25 days
97. Titan
98. Ganymede
99. Voyager 1
100. Hydrogen
101. 2 (phobos and deimos)

Final Thoughts

These mind-bending questions prove that no matter how much we think we know about the universe, there’s always another curveball waiting to knock our socks off.

The beauty of space facts is that they’re so outrageous, they almost sound made up. Diamond rain? Check.