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Solar System and Space Quiz #840

#840 · 10 questionsArchive: not ranked
How to play
  • Press Start for the first of ten questions. The clock starts with it and stops at your last answer.
  • Each question asks about the planets, moons, stars and the people and machines that explored space.
  • Tap an answer, or press 1 to 4 (or A to D) on a keyboard. Answers are final: you see the right one and a one-line explanation, then press Next.
  • Most correct answers ranks first, then the fastest time. Only a member’s first finished quiz of the day counts for the leaderboard.

Solar System and Space Quiz #840 is the quiz from Tuesday, October 20, 2026 (10 questions). Archive quizzes count toward your statistics, not your streak or the leaderboard.

Archive games count toward your statistics, not your streak or the leaderboards.

About Solar System and Space Quiz #840

Solar System and Space Quiz #840 was the quiz for Tuesday, October 20, 2026: 10 questions: 2 easy, 6 medium and 2 hard. Everyone who played Solar System and Space Quiz that day got the same quiz, and it stays here to play for 60 days.

The questions of Solar System and Space Quiz #840

  1. Which Canadian astronaut was the first Canadian to command the International Space Station?
  2. Which planet is second from the Sun?
  3. Which spacecraft flew past Pluto in 2015?
  4. When the lit part of the Moon is getting bigger each night, the Moon is said to be what?
  5. Who proposed that Earth and the planets orbit the Sun, in a book published in 1543?
  6. Which constellation appears on the flags of Australia and New Zealand?
  7. What is the main gas in the atmosphere of Mars?
  8. Which planet is next after Venus, moving away from the Sun?
  9. How many constellations are officially recognized?
  10. Which was the first space shuttle to fly in space?

The answer options and the answers appear only when you play the quiz, one question at a time.

New to Solar System and Space Quiz? The rules, tips and common questions are on the Solar System and Space Quiz page.

Other days of Solar System and Space Quiz

Every day of the last 60 is in the puzzle archive.

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