Astronomy Vocabulary
1 / 15Space and astronomy terms and definitions
15 quick questionsNo sign-upFree to playTap an answer below to begin ↓
What is a 'nebula'?
About Astronomy Vocabulary
Space and astronomy terms and definitions Astronomy Vocabulary packs 15 multiple-choice questions aimed at mixed difficulty into a relaxed session of roughly 7 minutes — no sign-up, no timer pressure. An explanation appears after every answer, and finishing once a day keeps your streak alive.
A few sample questions
1. What is a 'nebula'?
Answer: A giant cloud of dust and gas in space
2. What does the term 'light-year' measure?
Answer: Distance
3. What is a 'supernova'?
Answer: A massive explosion that occurs when a star reaches the end of its life
4. What is the 'ecliptic'?
Answer: The apparent path of the Sun across the sky over a year
5. What is a 'constellation'?
Answer: A group of stars forming a recognizable pattern as seen from Earth
Frequently asked questions
Is Astronomy Vocabulary free to play?
Yes. The entire SeniorBrainGames catalog — including Astronomy Vocabulary — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Astronomy Vocabulary take?
Most players finish Astronomy Vocabulary in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Astronomy Vocabulary?
If you enjoyed this word games quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
Can I print Astronomy Vocabulary?
Yes — use the Print button at the top of the page for a clean question sheet, or "Print with Answers" to make an answer key. Printed sheets work well for group play at home, in a classroom, or at a senior center.
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