Space & The Universe Quizzes

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For all of the budding astronomers out there, we’ve got the perfect set of free, online quizzes, from space quizzes and astronomy quizzes to science trivia and educational space trivia. For teachers, these are the perfect free classroom resource, especially if you’re looking for a fun classroom game or a way to keep learning exciting.

If you’re a parent, our kids’ quizzes are great for family-friendly activities or party events, making sure everyone is included and able to participate in the educational fun! How about seeing which of your friends knows the most fun space facts, or who knows the most about famous astronomers?

One of the best things about our free quizzes and trivia is that they’re completely playable in your browser with no downloads and no printing. These space and universe quizzes are perfect for streaming on the big screen or for everyone to play on their own device and compare, giving you plenty of ways to ensure the trivia is inclusive and family friendly. We have space trivia for kids and adults alike – Simply scroll down and pick your favourite quiz to learn more space facts for kids or test your NASA trivia.

We’ve even got alien trivia and marine facts to go along with your scientific journey into outer space! Check out our astronomy quiz for a fun lesson on constellations, or our moon quiz to find out what the biggest moon is or how many moons Jupiter has.

How To Play Our Space & The Universe Quizzes

With 8 quizzes to choose from and almost 200 questions, you’ll have endless fun with our space trivia quizzes! From facts about the moon to the planets in the solar system, we’ve got the right quiz for everyone’s expertise. Test your knowledge with our quizzes below or use them to pick up some new space facts to share! For more details on each of our free online quizzes, check out the bottom of the page.

To get started, all you have to do is:

  1. Find the free quiz you want to play and click “Start”!

  2. Answer the quiz questions directly in your browser and try to get as many of the 20 correct answers as you can!

  3. Check your results to see how well you did and compare with your friends’ scores!

  4. We include the quiz questions and answers so you can learn more about the ones you got wrong and pick up a cool fact for the future (or to try again with!).

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From fiery Mercury to icy Neptune, blast off and test your planetary knowledge. Do you orbit brilliance or crash spectacularly? 🚀

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

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2. Which planet is closest to the Sun?

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3. What is the name of the second largest moon in our solar system?

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4. Which planet is known as the Morning Star or the Evening Star?

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

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6. Which planet is known for its rings?

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7. Which planet is known as Earth's twin?

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8. Which planet is known for having a Great Dark Spot?

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9. Which planet has the tallest volcano in the solar system?

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

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

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12. Which planet is famous for the Great Red Spot?

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13. Which celestial body was demoted from planet status in 2006?

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

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15. Which planet is known as the Red Planet?

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16. Which planet is known as the Blue Planet?

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

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18. Which planet has the most moons?

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19. Which planet has the fastest rotation on its axis?

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20. Which planet has a tilted axis, causing extreme seasons?

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From Io to Titan, test your lunar knowledge across strange and stunning moons. Shine bright or get left in the dark! 🌙

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1. Which moon is the largest of Saturn?

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2. Which moon is part of the dwarf planet Pluto's system?

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3. Which moon of Jupiter is known for its large impact crater named Valhalla?

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4. Which is the largest moon of Jupiter?

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5. Which moon is the innermost of Mars?

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6. Which moon is the smallest of the Galilean moons of Jupiter?

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7. Which is the second largest moon of Uranus?

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8. Which moon is known for its thick atmosphere and lakes of methane?

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9. Which moon orbits closest to Saturn?

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10. Which moon is larger than the planet Mercury?

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11. Which moon is the largest of Neptune?

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12. Which moon orbits Neptune?

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13. Which moon is often referred to as the "Death Star" moon due to its large crater?

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14. Which moon is the largest in the solar system?

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15. Which moon is known for its potential subsurface ocean?

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16. Which moon of Jupiter is known for its icy surface?

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17. Which moon has the most volcanic activity in the solar system?

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18. Which moon has a retrograde orbit around its planet?

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19. Which moon is known for its cryovolcanism?

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20. Which of these moons orbits Uranus?

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From Apollo to Mars rovers, test your knowledge of humanity’s greatest adventures beyond Earth. Ready to launch into trivia orbit? 🚀

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1. Who was the first human to travel into space?

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2. Which planet has the most moons?

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3. What is the main component of the Sun's atmosphere?

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4. Which is the smallest planet in our solar system?

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5. Which mission was the first to land a rover on Mars?

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6. What is the closest star to Earth?

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

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8. Which spacecraft was the first to orbit Jupiter?

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9. Which spacecraft was the first to land humans on the Moon?

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10. Which planet is known for its prominent ring system?

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11. What is the term for a rocky body orbiting the Sun that is too small to be a planet?

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12. Who was the first woman to fly in space?

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13. Which mission was the first to send back images from the surface of Venus?

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14. Which Apollo mission was the first to land on the Moon?

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15. What is the name of NASA's most famous space telescope?

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16. What planet is known as the Red Planet?

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17. Which mission was the first to fly by Pluto?

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18. What was the first artificial satellite launched into space?

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19. What is the name of the first space station?

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

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From Apollo 13 to near-miss collisions, test your knowledge of space’s scariest moments. Will you crash or make history? 🚀🔥

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1. Which Soviet cosmonaut died during the Soyuz 1 mission?

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2. Which mission marked the first shuttle flight of Challenger?

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3. Which spacecraft's heat shield was damaged by micrometeoroids during its mission in 1962?

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4. What was the primary cause of the Challenger disaster in 1986?

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5. Which Apollo mission was the first to experience a near-miss with a major life-threatening event in space?

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6. Which NASA program was terminated after the Challenger disaster?

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7. Which spacecraft was lost during the Mars Polar Lander mission?

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8. What was a major issue that threatened the Apollo 11 mission during its moon landing?

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9. Which space shuttle mission was known for the successful deployment and first servicing of the Hubble Space Telescope?

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10. What was the cause of the launch failure of the SpaceX CRS-7 mission in 2015?

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11. What was the name of the mission that experienced a critical oxygen tank explosion in 1970?

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12. What space station did the Apollo-Soyuz Test Project connect in 1975?

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13. Which space shuttle mission was the first to launch after the Challenger disaster?

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14. What was the root cause of the Apollo 1 cabin fire?

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15. Which space shuttle was the first to be launched and also the first to be retired?

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16. What was the main issue faced by the Gemini 8 mission in 1966?

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17. Which space shuttle disintegrated upon re-entry in 2003?

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18. What issue did the Galileo spacecraft encounter during its mission to Jupiter?

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19. What fatal error did the Mars Climate Orbiter experience in 1999?

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20. Which space disaster involved the first astronaut fatality during a mission?

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From Saturn V to SpaceX, test your rocket and spacecraft smarts. Will your trivia knowledge blast off or crash-land? 🚀🔥

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1. Which was the first spacecraft to land on a comet?

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2. What was the first mission to bring back samples from an asteroid?

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3. Which company developed the Dragon spacecraft?

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4. What is the speed record for a spacecraft, held by Parker Solar Probe?

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5. What is the name of the European Space Agency's comet-chasing spacecraft?

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6. Which spacecraft first reached interstellar space?

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7. What is the name of NASA's rover that landed on Mars in 2021?

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8. Which spacecraft was the first to successfully land on Mars?

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9. Which was the first spacecraft to land on the far side of the Moon?

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10. Which spacecraft was the first to fly by Pluto?

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11. What was the first artificial Earth satellite?

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12. Which spacecraft has spent the longest time orbiting Saturn?

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13. What is the primary mission of the James Webb Space Telescope?

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14. Which rocket is known as the first reusable spacecraft?

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15. What is the primary purpose of the Hubble Space Telescope?

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16. Which country launched the Chang'e 5 mission?

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17. Which country launched the first space station?

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18. Which spacecraft was the first to land humans on the Moon?

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19. Which vehicle was the first to orbit the moon?

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20. What is the name of the spacecraft that visited Saturn's moon Titan?

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Billions of stars, mysterious black holes, and endless wonders—test your Milky Way smarts and see if you truly shine! 🌌✨

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1. What is the shape of the Milky Way's disk?

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2. Approximately how many stars are in the Milky Way?

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3. Which component of the Milky Way contains most of its mass?

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4. What phenomenon is believed to influence the shape of the Milky Way's spiral arms?

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5. What type of galaxy is the Milky Way?

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6. What feature of the Milky Way is about 27,000 light years away from the Sun?

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7. Which arm of the Milky Way is our solar system located in?

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8. What is the Milky Way's halo primarily composed of?

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9. In which constellation can the center of the Milky Way be found?

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10. What is the estimated age of the Milky Way?

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11. Which of these is NOT a satellite galaxy of the Milky Way?

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12. What is the primary method used to measure distances within the Milky Way?

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13. How wide is the Milky Way Galaxy approximately?

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14. What is the name of our galaxy's twin galaxy?

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

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16. What is the Milky Way's velocity as it orbits the center of the Local Group?

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17. In what part of the Milky Way are new stars predominantly formed?

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18. Which of these galaxies is the closest to the Milky Way?

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19. What is the term for the Milky Way's central region of tightly packed stars?

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20. How many major spiral arms does the Milky Way have?

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0

From Roswell to radio signals, test your extraterrestrial knowledge. Are you Earth-bound or ready to join the galactic federation? 👽🛸

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1. In which year did the Roswell Incident occur?

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2. What is the main ingredient in the fictional drink 'Romulan Ale' from Star Trek?

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3. What is the name of the famous radio telescope in Puerto Rico used to search for alien life?

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4. In the movie E.T., what is E.T.'s main goal?

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5. Which planet is known as the 'Red Planet'?

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6. Which ancient civilization is often associated with alien theories due to their advanced architectural achievements?

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7. Which movie features a spaceship called 'The Nostromo'?

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8. What is the name of the galaxy where Earth is located?

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9. What is the term for the hypothetical region around a star where liquid water could exist?

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10. What shape are most commonly reported UFO sightings?

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11. What is the name of the famous radio message sent to space in 1974?

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12. Which desert is home to the famous Area 51?

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13. What is SETI's primary mission?

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14. Which British crop circle phenomenon is often associated with alien activity?

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15. Which element is crucial for life as we know it?

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16. Which phrase became popular following alleged alien abductions?

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17. Which famous physicist warned against contacting alien civilizations?

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18. Which government body investigated UFOs in the 1950s and 60s under Project Blue Book?

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19. What does the 'U' in UFO stand for?

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20. Which astronomer famously stated 'We are made of star-stuff'?

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From Galileo’s telescope to Hubble’s galaxies, test your knowledge of the greatest minds who mapped the cosmos and beyond. 🔭🌌

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1. What did Isaac Newton discover that revolutionized astronomy?

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2. Who discovered Uranus?

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3. Who is known as the father of observational astronomy?

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4. Which astronomer is credited with discovering Neptune?

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5. Which astronomer developed the heliocentric theory?

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6. Who was the first to propose a heliocentric solar system?

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7. Who first measured the speed of light?

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8. Who was the first to map the Milky Way galaxy?

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9. Who first observed Saturn's rings?

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10. Henrietta Swan Leavitt is known for discovering the relationship between the luminosity and period of what celestial objects?

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11. Who was the first to provide evidence for the existence of black holes?

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12. Which scientist proposed the Big Bang theory?

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13. What is Edwin Hubble known for?

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14. Which astronomer formulated the laws of planetary motion?

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15. Which astronomer first calculated the circumference of Earth?

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16. Which astronomer discovered the first exoplanet?

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17. What did Tycho Brahe contribute to astronomy?

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18. Who discovered the four largest moons of Jupiter?

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19. Which astronomer discovered the asteroid belt?

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20. Who is known for the discovery of Pluto?

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Space & The Universe Quiz Details

The Solar System Quiz
This planets quiz is perfect for testing your solar system trivia! How many planets are in our solar system? Do you know the order of the planets? Find out with this online space test of your solar system skills! Make sure you brush up on the names of the planets and constellation names!

Moons of Our Solar System Quiz
We’re sure you know plenty of facts about the moon in Earth’s orbit, but how well do you know others? Some planets have multiple moons, and some have their own unique moon names, just like planets do!

Space Exploration & Missions Quiz
From facts about NASA to Voyager trivia, this quiz covers everything relating to planetary exploration and astronaut missions in space. How well do you know your space history, like which countries have landed on the moon?

Space Disasters & Near Misses Quiz
While we’ve had plenty of successful space missions, we’ve had our fair share of disasters in space too, like rocket crashes, broken satellites, or stranded astronauts. Which ones do you remember, or are you simply a space nerd looking to learn more space disaster trivia?

Rockets & Spacecraft Quiz
Check this fun quiz out for all your spaceship facts and rocket trivia! This one really is all about rocket science facts and testing your knowledge of different spacecrafts, from the spacecrafts sent to the moon to the satellites orbiting the Earth.

The Milky Way Galaxy Quiz
While there are lots of fun facts out there past our own galaxy, there are plenty of fun Milky Way facts to learn, too! Test your knowledge of our home galaxy by seeing how well you know star names and general space trivia – This one’s a nice and simple free educational resource for kids!

Alien Life and UFOs Quiz
Is there life out there? Do aliens exist? While we might not have a definitive answer just yet, we do have supposed evidence of alien life as well as apparent evidence of UFOs! See how much you know about UFO spaceships and otherworldly aliens here.

Famous Astronomers’ Discoveries Quiz
Before astronauts, we had astronomers and philosophers who took to staring at the sky and mapping stars to try and solve the mysteries of our galaxy. From telescope discoveries to mapping constellations, astronomers have learned all kinds of facts about space!

 

Our Other Fun Quizzes

Get ready to test your knowledge! We’ve got loads of fun quizzes over at justfamilyfun.com. Scroll through our categories below and kick off your quiz journey!

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