75+ Space Trivia Questions and Answers

The entirety of space is a vast reality and we’re barely scratching the surface of knowledge that’s out there. So any space trivia collection will naturally have a wealth of questions and answers! Check out these space trivia questions, interesting facts, and “for-your-infos” on the known universe.

Space Trivia

Check out some of these trivia on things around space, celestial bodies, stars, and planets that you might not be aware of yet:

  • What’s the highest surface temperature on Mercury? 800 degrees Fahrenheit (430 degrees Celsius)
  • How long is the international space station? 357 feet
  • What’s Jupiter’s largest moon? Ganymede
  • When was the Hubble space telescope launched? April 24, 1990
  • What are Saturn’s rings made of? Pieces of comets, asteroids, or shattered moons
  • What are the terrestrial planets in our solar system? Earth, Mars, Mercury and Venus
  • What’s the closest black hole to our system? Sagittarius A*, which is some 50,000 light-years away.

Space Trivia Questions and Answers

Do you want to know more about the worlds beyond ours? Discover more through these space trivia questions and answers.

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What was the name of the teacher who died in the tragic Space Shuttle Challenger disaster?▶ Christa McAuliffe
What is a meteor called when it reaches earth’s surface?▶ Meteorite
What is the closest star to the planet Earth?▶ The Sun
What is the largest planet in our solar system?▶ Jupiter
How many moons does the planet Venus have?▶ Zero
What is it called when a star, possibly cause by a gravitational collapse, suddenly increases greatly in brightness?▶ Supernova
What is the smallest planet in our solar system?▶ Mercury
In what year did the Apollo 7 human spaceflight take place?▶ 1968
Who was the first human to travel into space?▶ Yuri Gagarin
Our solar system is located in what galaxy?▶ The Milky Way Galaxy
Which is the closest galaxy to the milky way?▶ Andromeda galaxy, about 2.5 million light years away
What does the acronym “NASA” stand for?▶ National Aeronautics and Space Administration
What was the name of the first U.S. space station?▶ Skylab
The first human-made object to land on the moon was launched by what country?▶ The Soviet Union
What is the farthest human-made object from planet Earth?▶ Voyager 1
Who were the first two astronauts that landed on the moon in 1969?▶ Neil Armstrong and Buzz Aldrin
“Mare Tranquillitatis” is the Latin name for what feature found on Earth’s moon?▶ Sea of Tranquility
What is the name for the disc-shaped region of icy bodies that extends from Neptune to about 55 astronomical units from the Sun?▶ The Kuiper Belt
Hale-Bopp is classified as which type of small Solar System body?▶ Comet
Betelgeuse and Rigel are the two giant stars in which constellation?▶ Orion
What is the closest star to our own sun?▶ Proxima Centauri
What is the name for meteoroids that survive entry through the atmosphere and reach Earth’s surface?▶ Meteorites
What was the name of the first manned mission to land on the moon?▶ Apollo 11
What is the name of the cloud made up of icy planetesimals surrounding our solar system?▶ Oort Cloud
What is the only modern rock n’ roll song on the Voyager Spacecrafts’ Golden Records?▶ Johnny B. Goode, by Chuck Berry
Of the original six space shuttles, which one never flew a mission in space?▶ Enterprise
An Astronomical Unit is the mean distance between the center of what two objects?▶ The Sun and Earth
An Astronomical Unit is the average distance between which two objects in our solar system?▶ The Earth and the Sun
What is the most common type of star found in the Milky Way?▶ Red Dwarf Star (Our sun is a Yellow Dwarf)
The red supergiant star Betelgeuse belongs to which constellation?▶ Orion
Which Apollo 11 crew member did not walk on the moon?▶ Michael Collins
The Venera space probes, sent to gather information about Venus, were developed by which country?▶ The Soviet Union (USSR)
Named for the fleet-footed Roman messenger god, which planet has the shortest orbit around the sun?▶ Mercury (87.97 days)
SpaceX, an American aerospace manufacturer was founded in 2002 by which entrepreneur?▶ Elon Musk
Who was the first man to set foot on the moon?▶ Neil Armstrong
What former planet was demoted to a dwarf planet in 2006?▶ Pluto
What was the name of the first manmade satellite that was launched into space in 1957?▶ Sputnik
What three planets are closest to the Sun?▶ Mercury, Venus & Earth
In our solar system which two planets rotate clockwise?▶ Venus & Uranus
What country was the first to send an object to the surface of the moon?▶ The Soviet Union
In what month is the Earth closest to the sun?▶ January
What planet in our solar system has the longest day?▶ Venus (243 Earth days)
How many people have walked on the moon?▶ Twelve
Which planet in our solar system spins the fastest?▶ Jupiter, it rotates once on average in just under 10 hours.
Which planet has the most moons?▶ Jupiter
What is the hottest planet in our solar system?▶ Venus
Who was the last man to walk on the moon?▶ Captain Eugene Cernan
Who was the first NASA austronaut to visit space twice?▶ Gus Grissom
Callisto is the name of a moon orbiting what planet in our solar system?▶ Jupiter
Curiosity is a car-sized rover that was launched by NASA in 2011 to explore which planet?▶ Mars
What planet in our solar system has the most gravity?▶ Jupiter
Which planet is furthest from the sun?▶ Neptune
How many planets in our solar system have moons?▶ Six
Which planet in our solar system has the most oxygen?▶ Earth
What is the unit of length that is approximately 3.26 light-years?▶ Parsec
Ceres is a dwarf planet that lies between the orbits of which two planets in our solar system?▶ Mars & Jupiter
Titan, Enceladus, Mimas & Iapetus are just some of the moons orbiting which planet?▶ Saturn
Which planet in our solar system has an axis that is tilted by 98 degrees?▶ Uranus
SpaceX was founded by what South African-born inventor?▶ Elon Musk
The Great Red Spot is a gigantic storm located on which planet in our solar system?▶ Jupiter
In our solar system which two planets are known as ice giants?▶ Uranus and Neptune
In our solar system, which planet has the shortest day?▶ Jupiter
Which U.S. President made the first telephone call to the moon?▶ Richard Nixon
Able to be seen from outer space, what is Earth’s largest living structure?▶ The Great Barrier Reef
Where did a robot named Spirit remain operational over 2000 sols past its planned 90-sol mission?▶ Mars
Ganymede, the largest moon in our solar system, belongs to which planet?▶ Jupiter
The largest volcano ever discovered in our solar system is located on which planet?▶ Mars
Which is the largest of Mars’ two moons?▶ Phobos
On June 16, 1963, which Soviet cosmonaut became the first woman in space?▶ Valentina Tereshkova

About the Author


Tim majored in Humanities with a bachelor in English and Theatre at New York State University. He lectured on entertainment business studies for three years at Plymouth College.

Tim has been a trivia host in his current hometown of Pittsburgh for the past two years. He enjoys hanging out with people who love trivia just as much as he does.

His friends call him the Question Master.