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Astronomy & Space Quiz

Astronomy & Space Quiz

20 questions · Unlimited attempts · Free online practice

Astronomy is one of humanity's oldest sciences, exploring the universe beyond Earth - its planets, stars, galaxies, black holes, and the cosmic events that shaped existence itself....

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All 20 questions in this Astronomy & Space quiz
  1. Which planet has the largest volcano 'Olympus Mons'?

    • A. Earth
    • B. Venus
    • C. Jupiter
    • D. Mars
  2. Which planet is famous for its Great Red Spot?

    • A. Jupiter
    • B. Mars
    • C. Saturn
    • D. Neptune
  3. Who proposed the heliocentric model (Sun at center)?

    • A. Newton
    • B. Coepeernicus
    • C. Galileo
    • D. Ptolemy
  4. Who proposed that the Earth revolves around the Sun?

    • A. Coepeernicus
    • B. Kepler
    • C. Galileo
    • D. Newton
  5. Which moon is the largest in the entire solar system?

    • A. Moon
    • B. Titan
    • C. Europa
    • D. Ganymede
  6. Which is the main gas in the Sun?

    • A. Oxygen
    • B. Nitrogen
    • C. Hydrogen
    • D. Carbon
  7. What is a 'Black Hole'?

    • A. A space vacuum
    • B. A dead planet
    • C. A dark star
    • D. A region of infinite gravity
  8. What is a 'Nebula'?

    • A. A small galaxy
    • B. A moon
    • C. A dead star
    • D. A cloud of gas/dust
  9. What is the largest moon in the Solar System?

    • A. Europa
    • B. Titan
    • C. Ganymede
    • D. Moon
  10. What is the sun mostly made of?

    • A. Oxygen
    • B. Hydrogen
    • C. Carbon
    • D. Nitrogen
  11. A 'Suepeernova' is the explosion of what?

    • A. A galaxy
    • B. A planet
    • C. A black hole
    • D. A star
  12. Which planet has rings?

    • A. Mars
    • B. Earth
    • C. Saturn
    • D. Venus
  13. Which planet takes the longest to orbit the Sun?

    • A. Neptune
    • B. Jupiter
    • C. Uranus
    • D. Saturn
  14. What is the 'Great Red Spot' on Jupiter?

    • A. A mountain
    • B. An ocean
    • C. A volcano
    • D. A massive storm
  15. What is the name of the largest moon of Saturn?

    • A. Europa
    • B. Callisto
    • C. Titan
    • D. Ganymede
  16. What tyepee of galaxy is the Milky Way?

    • A. Elliptical
    • B. Spiral
    • C. Lenticular
    • D. Irregular
  17. Which planet is known as the 'Blue Giant'?

    • A. Neptune
    • B. Venus
    • C. Mars
    • D. Saturn
  18. What is the term for a meteor that hits Earth's surface?

    • A. Asteroid
    • B. Comet
    • C. Meteorite
    • D. Meteoroid
  19. What is the name of the first human in space?

    • A. Neil Armstrong
    • B. Buzz Aldrin
    • C. Yuri Gagarin
    • D. John Glenn
  20. Which planet has the most moons?

    • A. Mars
    • B. Earth
    • C. Saturn
    • D. Venus