Home» Online Test » Astronomy » Solar System Online Test 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This 'Solar System Online Test' covers questions across all the topics related to our Solar System. Get fresh, new questions in each attempt. Total Questions: 30 Time Allotted: 30 minutes Passing Score: 50% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 30 1. What is the name of the second-largest moon of Pluto? a) Styx b) Nix c) Kerberos d) Hydra 2 / 30 2. What is the name of the massive, swirling storm system observed at Saturn's south pole? a) Saturn's Hexagon b) Venus' Vortex c) Saturn's North Polar Vortex d) Saturn's South Polar Vortex 3 / 30 3. What is the Earth's mantle primarily composed of? a) Iron and nickel b) Silicon and oxygen c) Calcium carbonate d) Water and ice 4 / 30 4. What is the name of the largest moon in the Solar System, which orbits the gas giant Jupiter and is larger than the planet Mercury? a) Titan b) Ganymede c) Io d) Europa 5 / 30 5. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it? a) New Horizons b) Juno c) Curiosity d) Opportunity 6 / 30 6. Which moon of Jupiter exhibits a heavily cratered surface, indicating its ancient geological history and lack of significant geological activity? a) Ganymede b) Europa c) Io d) Callisto 7 / 30 7. What is the name of a small rocky or metallic body in space that enters Earth's atmosphere and produces a streak of light? a) Meteorite b) Meteoroid c) Meteor d) Comet 8 / 30 8. What was the approximate length of the tail of Comet Hale-Bopp during its peak brightness in 1997? a) 1 million kilometers b) 10 million kilometers c) 100 million kilometers d) 1 billion kilometers 9 / 30 9. Which moon of Uranus is the smallest and most irregularly shaped, with a surface marked by numerous grooves and cliffs? a) Titan b) Enceladus c) Miranda d) Triton 10 / 30 10. What is the name of the large, high-altitude vortex observed at Venus' south pole? a) Venus' Vortex b) Venus' Great Dark Spot c) Venus' South Polar Vortex d) Venus' North Polar Vortex 11 / 30 11. Which space telescope is set to succeed the Hubble Space Telescope and is designed to observe the universe in the infrared spectrum? a) Hubble Space Telescope b) James Webb Space Telescope c) Keck Observatory d) Chandra X-ray Observatory 12 / 30 12. What is the name of the robotic rover currently exploring the surface of Mars? a) Voyager b) Curiosity c) Opportunity d) Spirit 13 / 30 13. How many moons does Mars have? a) 1 b) 2 c) 3 d) 4 14 / 30 14. Which moon of Jupiter is known for its heavily cratered surface, indicating its ancient geological history and lack of significant geological activity? a) Ganymede b) Europa c) Io d) Callisto 15 / 30 15. Which space probe was the first to fly by Jupiter and Saturn and provided close-up images of their moons, including Io's volcanic activity? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 16 / 30 16. Which mission is currently orbiting Mercury to study its surface and composition? a) Cassini b) Juno c) MESSENGER d) New Horizons 17 / 30 17. Which planet in the Solar System is known for its massive dust storms that can engulf the entire planet for months? a) Jupiter b) Saturn c) Mars d) Venus 18 / 30 18. What is the Kuiper Belt? a) A region of space between Mars and Jupiter b) A ring of debris surrounding Saturn c) A region of the outer Solar System beyond Neptune d) A cluster of asteroids near Earth 19 / 30 19. What is the lithosphere? a) The layer of the Earth's atmosphere where weather occurs b) The layer of the Earth's crust and upper mantle c) The layer of the Earth's core composed of molten iron and nickel d) The layer of the Earth's mantle beneath the lithosphere 20 / 30 20. What is the name of the intense radiation belt surrounding Jupiter? a) Van Allen Belts b) Kuiper Belt c) Oort Cloud d) Magnetosphere 21 / 30 21. What is the name of the process by which rocks are transformed into new types of rocks through heat and pressure? a) Erosion b) Weathering c) Deposition d) Metamorphism 22 / 30 22. What geological feature on Earth is formed by the bending or buckling of rock layers under compressional stress, leading to the uplift of mountain ranges? a) Impact crater b) Rift valley c) Trench d) Fold mountain 23 / 30 23. What is the process by which water vapor changes into liquid water? a) Melting b) Evaporation c) Condensation d) Sublimation 24 / 30 24. How do solar storms, like coronal mass ejections, affect the occurrence of auroras? a) They reduce the frequency of auroras b) They cause auroras to occur only at the poles c) They enhance and expand the visibility of auroras d) They eliminate auroras completely 25 / 30 25. Which instrument on spacecraft is used to measure the impact of the solar wind on Earth's magnetosphere? a) Magnetometer b) Spectrometer c) Seismometer d) Barometer 26 / 30 26. Which moon of Jupiter has a thin atmosphere composed mostly of carbon dioxide, with surface pressures less than one-thousandth of Earth's? a) Io b) Europa c) Ganymede d) Callisto 27 / 30 27. What is the primary component of Ceres's surface? a) Rock b) Ice c) Iron d) Silicates 28 / 30 28. Which moon of Uranus is known for its unusual, roughly spherical shape, with a diameter about one-third that of our Moon? a) Titan b) Enceladus c) Miranda d) Triton 29 / 30 29. Which comet is often referred to as "the Great Comet of 1910" due to its spectacular appearance and close approach to Earth? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 30 / 30 30. What is the name of the phenomenon where tidal forces cause a celestial body to become elongated along the axis pointing toward the attracting body? a) Tidal heating b) Tidal friction c) Tidal stretching d) Tidal locking Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score isShare your achievement! LinkedIn Facebook 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Solar System MCQ PDF for Offline Study