Astronomy Quiz Questions and Answers
Ever caught yourself staring at the night sky and wondering what’s really out there? This astronomy quiz is made for curious minds who love space, science, and those “wow” moments the universe gives us. From planets and stars to fascinating facts about galaxies and space missions, these questions and answers are a fun way to test what you know and learn something new along the way. No pressure, no grades—just a simple, enjoyable journey through the universe.
1) What is the speed per minute at which earth revolves around the sun?
Answer: More than 1600 km.
2) At what interval does the sun shine vertically on the Equator?
Answer: Twice a year.
3) Which gas is most predominant in the sun?
Answer: Hydrogen.
4) How many does the moon take to return to the same position among the constellation?
Answer: 28 days.
5) Which planet has the largest number of satellite?
Answer: Saturn.
6) What are comets?
Answer: Celestial bodies.
7) Which planets can be seen by the naked eye of a normal human being?
Answer: Mars, Mercury, Venus, Jupiter and Saturn.
8) On which planet of the solar system does the sun rise in the west and set in the east?
Answer: Venus.
9) Which is the element found on the surface of the moon?
Answer: Titanium.
10) Which is the biggest star in our galaxy?
Answer: Red Giants.
11) Which is the nearest star to the earth excluding e sun in our galaxy?
Answer: Proxima Centauri.
12) What is the stage named in the evolution of stars when they possess super gravity?
Answer: Black Hole Stage.
13) Who invented the telescope which was the main tool in the study in Astronomy?
Answer: Galileo.
14) About the earth one astronomer said “nevertheless it moves”, who was that astronomer?
Answer: Galileo.
15) How many days the Mercury needs to complete one revolution around the sun?
Answer: 88 days.
16) How many years the Jupiter takes to complete one revolution around the sun?
Answer: 12 years.
17) How many years the Saturn takes to complete one revolution around the sun?
Answer: 30 years.
18) What are the small planets revolving around the sun in between Mars and Jupiter?
Answer: Asteroids.
19) Which Celestial body has the most concentric orbit?
Answer: Comet.
20) What is the name of the orbit of comets around the sun?
Answer: Elliptical Orbit.
21) Which astronomer was the first to say that the earth orbited the sun?
Answer: Copemicus.
22) Which is the hottest planet in the Solar System?
Answer: Mercury.
23) How many satellites are there for Mars?
Answer: Two.
24) Which are the two satellites of Mars?
Answer: Phobos and Deimos.
25) Which is the largest satellite in our solar system?
Answer: Ganymede.
26) Ganymede belongs to which planet?
Answer: Jupiter.
27) Which is the biggest satellite of Saturn?
Answer: Titan.
28) When was Uranus discovered?
Answer: 1781.
29) Which is the slowest planet in our solar system?
Answer: Pluto.
30) What is the name of a diffuse cloud of particles and gases visible either as a hazy patch of light or an irregular dark region?
Answer: Nebula.
We hope this journey through the stars sparked your curiosity and made exploring the universe fun and exciting. Whether you learned something new or simply enjoyed the experience, there’s always more to discover. If you liked this quiz, be sure to check out our other quizzes on the site and keep the fun going. Jump into your next challenge and continue exploring new topics, one quiz at a time!
