100 Space Trivia Questions And Answers For Kids

Planning a space party and you don’t know how you will entertain your young guests? Prepare yourself to get them engaged with our space trivia quiz that’s out of this world! 

Last Updated: September 17, 2024  |  8 min Read

Each trivia question comes with multiple choice answers and the correct answer highlighted in bold.

For more space-themed party games check: 16 Space Party Games That Are Out Of This World.

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Solar System Quiz

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

•  Mars
•  Jupiter
•  Saturn

2. Which planet is known as the “Red Planet”?

•  Mars
•  Venus
•  Mercury

3. Which planet is the hottest in the solar system?

•  Earth
•  Venus
•  Mars

4. What is the name of the planet known as the “ringed planet”?

•  Uranus
•  Jupiter
•  Saturn

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

•  Jupiter
•  Mars
•  Neptune

6. Which planet is known as the “Morning Star” or “Evening Star”?

•  Mercury
•  Venus
•  Saturn

7. What is the name of the planet that is often called the “Blue Planet”?

•  Mars
•  Earth
•  Uranus

8. What is the name of the planet that is sometimes called the “Ice Giant”?

•  Uranus
•  Venus
•  Jupiter

9. Which planet is closest to the sun?

•  Venus
•  Mercury
•  Mars

10. What is the name of the dwarf planet that was previously considered the ninth planet in the solar system?

•  Pluto
•  Ceres
•  Haumea

First Humans In Space Trivia

11. Who was the first human to orbit the Earth?

•  Yuri Gagarin
•  Neil Armstrong
•  Buzz Aldrin

12. Who was the first American to orbit the Earth?

•  John Glenn
•  Alan Shepard
•  Neil Armstrong

13. Who was the first woman to travel to space?

•  Sally Ride
•  Valentina Tereshkova
•  Yuri Gagarin

14. Who was the first human to walk in space?

•  Alexei Leonov
•  Neil Armstrong
•  Buzz Aldrin

15. Who was the first human to fly in space twice?

•  Yuri Gagarin
•  Alan Shepard
•  Gus Grissom

16. Who was the first American to walk in space?

•  Michael Collins
•  Ed White
•  Bruce McCandless II

17. Who was the first human to spend a year in space?

•  Yuri Gagarin
•  Scott Kelly
•  Valentina Tereshkova

18. Who was the first human to visit space multiple times?

•  John Glenn
•  Yuri Gagarin
•  Gordon Cooper

19. Who was the first human to set foot on the Moon?

•  Neil Armstrong
•  Buzz Aldrin
•  Michael Collins

20. Who was the first person to travel to space twice and walk on the Moon?

•  Alan Shepard
•  Pete Conrad
•  James Irwin

Milky Way Galaxy Trivia

21. What is the Milky Way?

•  A candy bar
•  A galaxy
•  A planet

22. Which type of galaxy is the Milky Way?

•  Spiral galaxy
•  Elliptical galaxy
•  Irregular galaxy

23. How many stars are estimated to be in the Milky Way?

•  100,000
•  100 million
•  100 billion

24. Which part of the Milky Way contains the most stars?

•  Center
•  Outer regions
•  Neither, all parts have the same number of stars

25. What is the name of the supermassive black hole at the center of the Milky Way?

•  Blacky
•  Milky Hole
•  Sagittarius A*

26. What is the approximate age of the Milky Way?

•  4 billion years
•  8 billion years
•  13.6 billion years

27. Which element is the most abundant in the Milky Way?

•  Hydrogen
•  Helium
•  Oxygen

28. Which famous astronomer first described the Milky Way as a galaxy?

•  Galileo Galilei
•  Johannes Kepler
•  William Herschel

29. What is the name of the smaller galaxy that is currently merging with the Milky Way?

•  Andromeda Galaxy
•  Triangulum Galaxy
•  Small Magellanic Cloud

30. What is the diameter of the Milky Way?

•  100,000 light-years
•  1 million light-years
•  100 million light-years

Moon Landing Questions And Answers

31. Who was the first person to step on the Moon?

•  Buzz Aldrin
•  Neil Armstrong
•  Michael Collins

32. In what year did the Moon landing occur?

•  1961
•  1969
•  1979

33. Which Apollo mission successfully landed on the Moon?

•  Apollo 8
•  Apollo 11
•  Apollo 13

34. How many people have walked on the Moon?

•  2
•  12
•  22

35. Who was the last person to step on the Moon?

•  Neil Armstrong
•  Buzz Aldrin
•  Gene Cernan

36. What was the name of the lunar module that landed on the Moon during Apollo 11?

•  Eagle
•  Falcon
•  Hawk

37. How long did the first Moon landing mission last?

•  4 days
•  8 days
•  12 days

38. What is the name of the famous speech given by President Kennedy that set the goal for the Moon landing?

•  The Gettysburg Address
•  The Emancipation Proclamation
•  The Moon Speech

39. Which flag was planted on the Moon during the first Moon landing?

•  The American flag
•  The United Nations flag
•  The Moon flag

40. What did Neil Armstrong famously say as he took his first step on the Moon?

•  “One small step for man, one giant leap for mankind”
•  “Houston, we have a problem”
•  “We come in peace for all mankind”

Famous Astronomers Trivia

41. Who was the astronomer who discovered the four largest moons of Jupiter?

•  Galileo Galilei
•  Isaac Newton
•  Johannes Kepler

42. Who was the astronomer who proposed the theory of heliocentrism?

•  Johannes Kepler
•  Nicolaus Copernicus
•  Tycho Brahe

43. Who was the astronomer who developed three laws of planetary motion?

•  Galileo Galilei
•  Johannes Kepler
•  Tycho Brahe

44. Who was the astronomer who discovered Uranus?

•  William Herschel
•  Isaac Newton
•  Tycho Brahe

45. Who was the astronomer who discovered the first comet to be named after a person?

•  Edmond Halley
•  Charles Messier
•  Caroline Herschel

46. Who was the astronomer who made the first accurate measurement of the speed of light?

•  Albert Einstein
•  Ole Rømer
•  Johannes Kepler

47. Who was the astronomer who discovered the law of universal gravitation?

•  Isaac Newton
•  Johannes Kepler
•  Tycho Brahe

48. Who was the astronomer who discovered the first pulsar?

•  Jocelyn Bell Burnell
•  Vera Rubin
•  Margaret Burbidge

49. Who was the astronomer who discovered the first exoplanet?

•  Michel Mayor
•  Andrea Ghez
•  Saul Perlmutter

50. Who was the astronomer who discovered the first asteroid?

•  Giuseppe Piazzi
•  William Herschel
•  Tycho Brahe

Questions And Answers About The Sun

51. Which of the following is the closest star to Earth?

•  Alpha Centauri
•  Sirius
•  The Sun

52. Which of the following is NOT a layer of the Sun’s atmosphere?

•  Chromosphere
•  Corona
•  Mesosphere

53. Which of the following is a common nickname for the Sun?

•  Luna
•  Sol
•  Titan

54. Which of the following is NOT a type of solar storm?

•  Solar flare
•  Solar wind
•  Solar tsunami

55. Which of the following is the main source of energy for the Sun?

•  Nuclear fusion
•  Chemical reactions
•  Solar wind

56. Which of the following is NOT a feature of the Sun’s surface?

•  Sunspots
•  Solar flares
•  Asteroids

57. Which of the following is the approximate age of the Sun?

•  4.5 billion years
•  10,000 years
•  1 million years

58. Which of the following is NOT a planet in our solar system?

•  Mercury
•  Venus
•  Apollo

59. Which of the following is the layer of the Sun’s atmosphere visible during a total solar eclipse?

•  Photosphere
•  Chromosphere
•  Corona

60. Which of the following is the name for the imaginary line running through the center of the Sun?

•  Solar axis
•  Equator
•  Galactic plane

Moon Trivia

61. What is the average distance from the Moon to the Earth?

•  1,000 miles
•  10,000 miles
•  238,900 miles

62. Which of the following is NOT a phase of the Moon?

•  Full Moon
•  Half Moon
•  Blue Moon

63. How long does it take for the Moon to orbit the Earth?

•  1 day
•  27.3 days
•  365 days

64. Which of the following is NOT a feature of the Moon’s surface?

•  Mountains
•  Oceans
•  Craters

65. What is the largest known crater on the Moon?

•  Copernicus
•  Tycho
•  Armstrong

66. Which of the following is NOT a theory about how the Moon was formed?

•  Captured by Earth’s gravity
•  Spun off from Earth
•  Came from another galaxy

67. What is the temperature range on the Moon’s surface?

•  -173 degrees Celsius to 127 degrees Celsius
•  -273 degrees Celsius to 100 degrees Celsius
•  0 degrees Celsius to 50 degrees Celsius

68. Which of the following is NOT a mission to the Moon by NASA?

•  Apollo 11
•  Lunar Reconnaissance Orbiter
•  Mars Pathfinder

69. Which of the following is the name for the dark patches on the Moon’s surface?

•  Mountains
•  Oceans
•  Craters

70. What is the name of the first spacecraft to land on the Moon?

•  Apollo 11
•  Challenger
•  Voyager

Trivia Questions About The Stars

71. What is a star?

•  A ball of fire in the sky
•  A giant ice cube in space
•  A giant ball of gas that gives off light and heat

72. How do stars get their energy?

•  From burning wood
•  From nuclear fusion reactions
•  From eating planets

73. What is the closest star to Earth?

•  Sirius
•  Proxima Centauri
•  Polaris

74. What color are the hottest stars?

•  Blue
•  Red
•  Yellow

75. What is the smallest type of star called?

•  Red dwarf
•  Blue giant
•  Yellow supergiant

76. How long does it take for the light from the closest star to reach Earth?

•  1 year
•  4.3 years
•  10 years

77. What is a shooting star?

•  A star that falls to Earth
•  A meteor that burns up in the Earth’s atmosphere
•  A satellite in orbit around Earth

78. What is a constellation?

•  A group of stars that form a pattern in the sky
•  A planet that orbits the Sun
•  A type of comet

79. What is the North Star?

•  A star that is always directly overhead
•  A star that points North
•  A star that is only visible at night

80. What is a supernova?

•  An exploding star
•  A type of planet
•  A type of black hole

Questions And Answers About The Universe

81. How old is the universe?

•  13.8 billion years
•  1000 years
•  1 million years

82. What is the Big Bang?

•  A massive explosion that created the universe
•  A rock band
•  A dance move

83. How many planets are in our solar system?

•  8
•  10
•  12

84. What is a black hole?

 A region in space with a gravitational pull so strong that nothing, not even light, can escape it

 A hole in the ground that is black

 A type of star

85. What is dark matter?

• A type of matter that scientists cannot observe directly but know it exists due to its gravitational effects
•  A type of chocolate
•  A type of rock

86. What is a galaxy?

•  A large group of stars, dust, and gas held together by gravity
•  A type of car
•  A type of insect

87. What is a supernova?

•  An explosion that occurs when a star runs out of fuel and collapses
•  A type of flower
•  A type of fruit

88. What is the name of the theory that describes the universe’s evolution from the Big Bang to the present day?

•  The Big Bang Theory
•  The Evolution Theory
•  The Gravity Theory

89. What is the name of the spacecraft that has explored the farthest reaches of our solar system?

•  Voyager 
•  Enterprise
•  Discovery

90. What is the Hubble Space Telescope?

•  A telescope that orbits Earth and captures images of distant galaxies and stars
•  A type of microscope
•  A type of phone

NASA Trivia

91. When was NASA established?

•  1945
•  1958
•  1969

92. Which planet did NASA’s Voyager 1 spacecraft first visit in 1979?

•  Saturn
•  Jupiter
•  Neptune

93. Who was the first American astronaut to orbit Earth?

•  Neil Armstrong
•  John Glenn
•  Buzz Aldrin

94. What was the name of the first spacecraft to land on the Moon, built by NASA?

•  Apollo 11
•  Voyager 1
•  Hubble Space Telescope

95. What was the name of the first American woman in space, who flew on the space shuttle Challenger in 1983?

•  Sally Ride
•  Mae Jemison
•  Christa McAuliffe

96. What is the name of the Mars rover that has been exploring the Red Planet since 2012?

•  Curiosity
•  Opportunity
•  Spirit

97. Who was the first astronaut to walk on the Moon?

•  Buzz Aldrin
•  Neil Armstrong
•  Michael Collins

98. Which planet did the Galileo spacecraft explore during its mission in the 1990s?

•  Saturn
•  Jupiter
•  Uranus

99. What was the name of the first U.S. space station, which was launched by NASA in 1973?

•  Mir
•  Skylab
•  ISS

100. Who was the first African American woman to travel into space, flying aboard the space shuttle Endeavour in 1992?

•  Mae Jemison
•  Stephanie Wilson
•  Yvonne Cagle

Conclusion: 100 Space Trivia Questions And Answers For Kids

In conclusion, the 100 space trivia questions and answers for kids provided in this article are a fun and educational way to engage children in learning about the wonders of space. Whether used at a party or as a family activity, these questions will spark curiosity and encourage further exploration of the solar system, astronomy, and NASA.

Keep encouraging your kids to learn about and explore the mysteries of the universe! Who knows, maybe one day one of them will become an astronaut or an astrophysicist!

Why not consider purchasing Professor Noggin’s Outer Space Trivia Card Game after utilizing these 100 space trivia questions and answers?

FAQs How To Make Use Of Space Trivia During A Space Themed Party

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