100 Fascinating Space Trivia Questions and Answers

Last Updated on January 8, 2024 by Michele Tripple

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Blast off into some fun and learning with our Space Trivia Questions! Test your knowledge about the stars, planets, and black holes. There are space trivia questions for every age, as you and your family test your smarts about space.  Strap in and get ready to lift off to fun with a space trivia night.

Ready to learn how to use these space trivia questions and how to play? Keep reading or click here to jump right to the space trivia questions!

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Space trivia is a fun and educational way to learn more about the universe we live in. It can be played at parties, in classrooms, or just for fun with friends and family. So gather your group and get ready to blast off into a world of space knowledge!

My kids love all things space. They will spend hours learning everything they can about space. Trivia questions are a great way to help kids expand their knowledge about their favorite subjects

Some of their favorites are science trivia, food trivia, and of course kids movie trivia. Whichever trivia questions you choose for family trivia night, your kids will love to test their knowledge to see if they are trivia champions. 

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How to Play Space Trivia

It is easy to play space trivia. All you need is a group of people and these fun space trivia questions. 

  • First, divide into teams. The teams should have at least 2 players. 
  • Have one team ask the other team a space trivia question. 
  • The other team then has 30 seconds or less to answer it correctly. If they do, they get a point. 
  • Play continues taking turns answering questions until 1 team gets to a predetermined amount of points. 

100 Space Trivia Questions

Hold on to your seats; here comes our best space trivia questions to see if you can get them all right!

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Question: How many miles away is Earth’s moon?
Answer: 238,900 miles
Question: How many miles away is the Sun from the Earth?
Answer: 92.68 million miles away!
Question: When did man first land on the moon?
Answer: July 20, 1969
Question: Who was the first person to step foot on the moon?
Answer: Neil Armstrong
Question: What is Neil Armstrong’s famous saying spoken from the moon?
Answer: “That’s one small step for man, one giant leap for mankind.”
Question: What was the name of the first spacecraft launched into space?
Answer: Sputnik 1
Question: Who launched the first spacecraft into space?
Answer: The Soviet Union
Question: Can you name the nine original planets in our solar system?
Answer: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto
Question: What are the 4 gas planets?
Answer: Jupiter, Saturn, Neptune, and Uranus.
Question: What is the name of the brightest star in our solar system?
Answer: Sirius, also called Alpha Canis Majoris or the Dog Star.

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Question: What are the 4 rocky planets?
Answer: Earth, Mars, Mercury, and Venus
Question: What is the name of the galaxy we live in?
Answer: The Milky Way
Question: What is the brightest planet in our solar system?
Answer: Venus
Question: How old is the Earth?
Answer: 4.543 billion years old
Question: What was the name of the space mission that landed man on the moon?
Answer: Apollo 11
Question: What is the name of the space mission that first orbited the moon?
Answer: Apollo 8
Question: What is the closest planet to the sun?
Answer: Mercury
Question: How many rings does Saturn have?
Answer: Seven
Question: Which planet is the largest?
Answer: Jupiter
Question: What is the closest star to Earth?
Answer: Proxima Centauri

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Question: Which planet is the smallest?
Answer: Mercury
Question: Which planet would float in water?
Answer: Saturn
Question: Which planet is the most dense?
Answer: Earth
Question: Who invented the Hubble Space Telescope
Answer: Edwin Hubble
Question: Who was the first person to use a telescope to look into space?
Answer: Galileo Galilei
Question: What do we call the gas and dust that follows a comet?
Answer: The tail
Question: Which planet spins the fastest?
Answer: Jupiter
Question: What planet spins the slowest?
Answer: Venus
Question: Which planet is the coldest?
Answer: Uranus
Question: What kind of galaxy do we live in?
Answer: Spiral galaxy

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Question: Which planet is the hottest?
Answer: Venus
Question: What is the name of the 5 mars rovers?
Answer: Sojourner, Spirit, Opportunity, Curiosity, and Perseverance
Question: Who was the first woman in space?
Answer: Valentina Tereshkova
Question: Who was the first American woman in space?
Answer: Sally Ride
Question: What was the first animal in space?
Answer: A dog named Laika
Question: Which planet has the strongest winds?
Answer: Neptune, the wind can exceed 1,100 mph! That is 1.5 times faster than sound!
Question: What is the outer layer of the atmosphere called?
Answer: The Exosphere
Question: How many minutes does it take light to reach us from the Sun?
Answer: A little over eight minutes!
Question: What is a blue moon?
Answer: Name for when there are two full moons in one month.
Question: What is the study of space called?
Answer: Astronomy

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Question: Which planet in our solar system has the most moons?
Answer: Saturn
Question: Which two planets in our solar system have no moons?
Answer: Mercury and Venus
Question: What happens during a solar eclipse?
Answer: The moon passes between the Sun and Earth, causing a shadow that blocks the Sun’s light. 
Question: What happens during a lunar eclipse?
Answer: When the Earth is between the Moon and the Sun, its shadow falls on the moon, turning it dark or sometimes reddish in color.
Question: How old is our Sun?
Answer: Approximately 4.6 billion years old
Question: What is the largest star in our solar system?
Answer: The Sun
Question: Black holes are so dense that not even this can escape them.
Answer: Light
Question: What does NASA stand for?
Answer: National Aeronautics and Space Administration
Question: What is the name of the space shuttle that exploded in 1986?
Answer: The Challenger
Question: When does a meteor become a meteorite?
Answer: When it enters the Earth’s atmosphere

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Question: What is the name of a scientist who studies space?
Answer: An astronomer
Question: What planet in our solar system is known as the red planet?
Answer: Mars
Question: How long would it take you to get to Mars from Earth?
Answer: Nine months
Question: How many stars are in the Milky Way?
Answer: 100 billion 
Question: What three things are comets made out of?
Answer: Dust, rock, and ice
Question: Name the three types of meteorites.
Answer: Iron, stony-iron, and stony
Question: What causes the ocean’s high and low tides?
Answer: The gravitational pull from the moon
Question: How long does it take the Moon to orbit the Earth?
Answer: 28 days
Question: How long does it take the Earth to orbit the Sun?
Answer: 365 days
Question: What is a place called that you can go to to see the night sky projections?
Answer: A planetarium 

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Question: Which planet has the largest ocean?
Answer: Jupiter
Question: Who discovered that the Earth was not the center of our solar system?
Answer: Nicholas Copernicus
Question: What does the ISS stand for?
Answer: International Space Station
Question: When was the ISS first launched into orbit?
Answer:  November 20, 1998
Question: How many Earths could fit inside the Sun?
Answer: Approximately 1.3 million Earths!
Question: What planet is known as the morning star?
Answer: Venus
Question: What five planets can be seen with the naked eye?
Answer: Mercury, Venus, Mars, Jupiter, and Saturn
Question: Which four planets have rings around them?
Answer: Jupiter, Saturn, Uranus, and Neptune
Question: How many constellations are there?
Answer: 88

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Question: Which planet rotates on its side?
Answer: Uranus
Question: What keeps the planets in a stable orbit around the Sun?
Answer: Gravity
Question: When did the space age begin?
Answer: October 4, 1957, with the launch of Sputnik 1
Question: What do you call a group of meteoroids that can be seen together?
Answer: A meteor shower
Question: What planet has had the most missions sent to it?
Answer: Mars
Question: What is the name of the only spacecraft to have visited Uranus?
Answer: Voyager 2
Question: What planet has a bright red spot on it?
Answer: Jupiter
Question: What are the three main types of galaxies?
Answer: Elliptical, spiral, and irregular
Question: What is the name of the theory that explains how our universe was created?
Answer: The Big Bang Theory
Question: How much does a space suit weigh?
Answer: 280 pounds

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Question: Who was the first astronaut to do a space walk?
Answer: Alexei Leonov
Question: What planet is third from the Sun?
Answer: Earth
Question: How fast is light traveling?
Answer: 186000 miles per second
Question: Which planet has a blue sunset?
Answer: Mars
Question: Where is the asteroid belt located?
Answer: Between Jupiter and Mars
Question: How many moons does Mars have?
Answer: Two
Question: Which planet has sulfuric acidic clouds surrounding it?
Answer: Venus
Question: Which planet lost its status as a planet in 2006?
Answer: Pluto
Question: Who was the first African American in space?
Answer: Guin Stewart Bluford Jr.
Question: What are the two most abundant gases that make up the Sun?
Answer: Hydrogen and helium

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Question: Who was the youngest astronaut in space?
Answer: Cosmonaut Ghermon Titov
Question: Who was the oldest astronaut to go into space?
Answer: John Glenn
Question: What is the longest amount of time someone has lived on the International Space Station?
Answer: 355 days!
Question: Which planet is named after the roman goddess of beauty?
Answer: Venus
Question: Which constellation points to the North Star?
Answer: The Big dipper
Question: What is another name for the North Star?
Answer: Polaris
Question: Which planet is named after the Roman god of the sea?
Answer: Neptune
Question: How many stars can we see in the night sky with our naked eye?
Answer: 2,000
Question: What is the most common type of star?
Answer: The red dwarf stars
Question: What is the color of the coldest star?
Answer: Red
Question: What is the color of the hottest star?
Answer: Blue

Do you have more space facts that would make great trivia questions? Share them in the comments so we can add them to the list. 

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