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Astronomy & Space Quiz

Astronomy & Space · Medium

20 questions · Unlimited attempts · Free online practice

The universe is vast, mysterious, and full of incredible discoveries waiting to be explored. From distant galaxies and brilliant stars to planets, black holes, and space missions,...

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All 20 questions in this Astronomy & Space quiz
  1. What is the name of the largest volcano in the Solar System?

    • A. Mount Etna
    • B. Olympus Mons
    • C. Mount Everest
    • D. Mauna Kea
  2. What is the primary state of matter found in stars?

    • A. Plasma
    • B. Solid
    • C. Gas
    • D. Liquid
  3. What is a 'Light Year'?

    • A. A measure of weight
    • B. A measure of distance
    • C. A measure of time
    • D. A measure of speed
  4. What is the galaxy closest to the Milky Way?

    • A. Centaurus
    • B. Antennae
    • C. Triangulum
    • D. Andromeda
  5. Which planet is known as the 'Blue Giant'?

    • A. Neptune
    • B. Venus
    • C. Mars
    • D. Saturn
  6. Which planet has the largest volcano 'Olympus Mons'?

    • A. Earth
    • B. Venus
    • C. Jupiter
    • D. Mars
  7. What is the name of the largest moon of Saturn?

    • A. Europa
    • B. Callisto
    • C. Titan
    • D. Ganymede
  8. Which planet has rings?

    • A. Mars
    • B. Earth
    • C. Saturn
    • D. Venus
  9. What is the 'Great Red Spot' on Jupiter?

    • A. A mountain
    • B. An ocean
    • C. A volcano
    • D. A massive storm
  10. What gas is the Sun mostly made of?

    • A. Oxygen
    • B. Hydrogen
    • C. Nitrogen
    • D. Helium
  11. What is the largest moon in the Solar System?

    • A. Europa
    • B. Titan
    • C. Ganymede
    • D. Moon
  12. Which planet takes the longest to orbit the Sun?

    • A. Neptune
    • B. Jupiter
    • C. Uranus
    • D. Saturn
  13. Which constellation contains the 'Big Dipper'?

    • A. Orion
    • B. Ursa Major
    • C. Leo
    • D. Cassiopeia
  14. Which is the largest moon of Saturn?

    • A. Titan
    • B. Ganymede
    • C. Europa
    • D. Io
  15. What is a 'Nebula'?

    • A. A small galaxy
    • B. A moon
    • C. A dead star
    • D. A cloud of gas/dust
  16. Which is the second-largest planet in our solar system?

    • A. Jupiter
    • B. Neptune
    • C. Saturn
    • D. Uranus
  17. Which planet has maximum gravity?

    • A. Mars
    • B. Jupiter
    • C. Earth
    • D. Venus
  18. What is the term for a planet outside our Solar System?

    • A. Protoplanet
    • B. Dwarf planet
    • C. Exoplanet
    • D. Asteroid
  19. Which planet is the hottest in the solar system?

    • A. Venus
    • B. Mars
    • C. Mercury
    • D. Jupiter
  20. A 'Supernova' is the explosion of what?

    • A. A galaxy
    • B. A planet
    • C. A black hole
    • D. A star