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Stars Moons and Exoplanets Trivia

A focused astronomy set about moons, planets beyond our system, stars, and sky discoveries.

14 questionsMedium mixCurated setFree to play
Question 1 of 14Medium

Some planets are formed from the collapse of small, cold space clouds called what?

Choose one answer to reveal the explanation.

Topic guide

About this astronomy trivia quiz

Astronomy trivia brings together 14 multiple-choice questions about stars moons and exoplanets. This medium-difficulty set belongs to the science collection and is designed for a quick, replayable way to test what you know while discovering a few unexpected facts.

The set includes prompts such as “Some planets are formed from the collapse of small, cold space clouds called what?”, “At night, temperatures on Mercury can drop to what?”, “In 2001, Dennis Tito became the first private citizen to tour space and paying how much for a week-long journey?”. Read each question carefully, choose an answer, and use the explanation after each round to learn the context behind the correct choice. You can also challenge a friend to the same topic when you are ready for a head-to-head trivia duel.

What you will explore

What does this trivia set cover?

  • Some planets are formed from the collapse of small, cold space clouds called what?
  • At night, temperatures on Mercury can drop to what?
  • In 2001, Dennis Tito became the first private citizen to tour space, paying how much for a week-long journey?
  • The dual-lobed asteroid found by Hubble was named what?
  • The hexagonal storm at Saturn's north pole has persisted for how long?
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Trivia questions in this set

14 questions · Science

Browse the question topics before you play astronomy trivia. The full answer explanation appears after you choose an option in the quiz above.

  1. Some planets are formed from the collapse of small, cold space clouds called what?
  2. At night, temperatures on Mercury can drop to what?
  3. In 2001, Dennis Tito became the first private citizen to tour space, paying how much for a week-long journey?
  4. The dual-lobed asteroid found by Hubble was named what?
  5. The hexagonal storm at Saturn's north pole has persisted for how long?
  6. What is the cost of a single space shuttle launch?
Show all 14 question prompts
  1. Which element is represented by the chemical symbol 'H'?
  2. Which gas do humans exhale?
  3. What is the chemical formula for carbon dioxide?
  4. Which color is at the top of a rainbow?
  5. Which planet is known for its Great Red Spot?
  6. What is the most common gas in Earth's atmosphere?
  7. In what month does summer start in the Northern Hemisphere?
  8. What is the chemical symbol for water?

Questions are from the Selected 500 Trivia Question Bank, with the current set reviewed on 2026-08-07.

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