Tamara Dominas
Think you know everything about the universe? This astronomy quiz will challenge your knowledge of planets, stars, galaxies, and cosmic phenomena.
Only true space enthusiasts will be able to score high. Do you know which is the largest satellite on Pluto? Or will you fail like most people who take this test? Prove what you know.
Astronomy quiz – hardest space questions
Take the challenge and see if you can answer these difficult questions. Share your results with your friends and see who has the best astronomy knowledge. Are you ready for the hardest quiz of the day?
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- Question of
What planets are called icy giants?
- Uranus and Neptune.
- Jupiter and Saturn.
- Question of
Who founded NASA?
- Harry S. Truman.
- John F. Kennedy.
- Dwight Eisenhower.
- Question of
Which of these planets is composed mainly of helium and hydrogen?
- Mars
- Jupiter
- Mercury
- Question of
Where is the Kuiper belt?
- Beyond Neptune.
- Between Mars and Jupiter.
- Question of
Comets come mainly from two places, which one isn’t one of them?
- Oort Cloud.
- Kuiper belt.
- Asteroid belt.
- Question of
What’s the largest satellite on Pluto?
- Nix
- Styx
- Charon
- Question of
Do all the giant planets have rings?
- Yes
- No
- Question of
The Sun is composed of 75% of:
- Oxygen
- Hydrogen
- Question of
An object whose diameter is between 100 µm to 50 m is considered:
- An Asteroid.
- A Meteoroid.
- Question of
What is Neptune’s twin planet?
- Mars
- Uranus
- Saturn
- Question of
Is Uranus the first planet discovered by a telescope?
- Yes
- No
- Question of
What gives Mars its reddish appearance?
- The predominant copper oxide on its surface.
- The predominant iron oxide on its surface.
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