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 causes tidal forces? a) Gravitational pull from nearby stars b) Gravitational pull from the Moon and Sun c) Electromagnetic forces between celestial bodies d) Nuclear reactions within celestial bodies 2 / 30 2. What is the name of the region in the Solar System where long-period comets originate, extending to the outermost reaches of the Sun's gravitational influence? a) Kuiper Belt b) Oort Cloud c) Asteroid Belt d) Scattered Disc 3 / 30 3. What is the name of the storm system observed at Saturn's south pole, which is similar to Jupiter's Great Red Spot but located at the pole? a) Saturn's Hexagon b) Saturn's South Polar Vortex c) Saturn's North Polar Vortex d) Saturn's Great Dark Spot 4 / 30 4. What is the name of the largest known object in the asteroid belt between Mars and Jupiter? a) Eris b) Haumea c) Makemake d) Ceres 5 / 30 5. Which Apollo mission was the last to land humans on the Moon's surface? a) Apollo 14 b) Apollo 15 c) Apollo 16 d) Apollo 17 6 / 30 6. Which dwarf planet is known for its reddish surface color, likely due to the presence of organic compounds? a) Eris b) Haumea c) Makemake d) Ceres 7 / 30 7. Which moon of Uranus is known for its chaotic, fractured surface, possibly due to past impacts or internal heating? a) Titan b) Enceladus c) Miranda d) Triton 8 / 30 8. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it? a) New Horizons b) Juno c) Curiosity d) Opportunity 9 / 30 9. What is the layer of soil that contains organic matter, microorganisms, and plant roots, and is vital for supporting plant growth? a) Subsoil b) Bedrock c) Topsoil d) Regolith 10 / 30 10. What is the average surface temperature on Venus? a) 100°C b) 250°C c) 460°C d) 800°C 11 / 30 11. Which space probe is currently studying the internal structure and seismic activity of Mars, aiming to understand its geological history? a) New Horizons b) Juno c) InSight d) Perseverance 12 / 30 12. What is the heliosphere? a) The Sun's core b) The region around the Sun dominated by the solar wind c) A layer within the Sun d) A planet orbiting close to the Sun 13 / 30 13. What is the state of Mercury's atmosphere? a) Thick and cloudy b) Thin and composed mainly of oxygen c) Almost nonexistent and composed of trace elements d) Similar to Earth's atmosphere 14 / 30 14. Which layer of the Earth's atmosphere is closest to the planet's surface? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 15 / 30 15. What is the name of the largest impact crater on the Moon, located on the lunar near side and visible from Earth? a) Tycho b) Copernicus c) Mare Orientale d) South Pole–Aitken Basin 16 / 30 16. 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 17 / 30 17. What is the primary component of Ceres's surface? a) Rock b) Ice c) Iron d) Silicates 18 / 30 18. What is the name of the largest moon of Jupiter? a) Europa b) Ganymede c) Callisto d) Io 19 / 30 19. Which mission provided the first detailed radar maps of Venus's surface? a) Mariner 2 b) Magellan c) Pioneer Venus d) Venera 7 20 / 30 20. 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 21 / 30 21. What are auroras commonly known as when seen in the Northern Hemisphere? a) Southern Lights b) Equatorial Lights c) Northern Lights d) Polar Lights 22 / 30 22. Which celestial body exhibits significant tidal forces from both Jupiter and Saturn, resulting in its elongated shape and active cryovolcanism? a) Io b) Europa c) Enceladus d) Titan 23 / 30 23. What is the name of the largest feature on Pluto's surface, which is a heart-shaped region? a) Tombaugh Regio b) Sputnik Planitia c) Cthulhu Regio d) Lowell Regio 24 / 30 24. What is the name of the intense radiation belt surrounding Jupiter? a) Van Allen Belts b) Kuiper Belt c) Oort Cloud d) Magnetosphere 25 / 30 25. Which space probe conducted flybys of Jupiter and Saturn before embarking on a trajectory to leave the Solar System in a different direction from Voyager 1? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 26 / 30 26. What is the name of the region around Earth where charged particles are trapped by the planet's magnetic field? a) Magnetosphere b) Heliosphere c) Thermosphere d) Stratosphere 27 / 30 27. What is the name of the prominent gap in Saturn's rings, caused by the gravitational influence of the moon Mimas? a) Encke Gap b) Cassini Division c) Keeler Gap d) Roche Division 28 / 30 28. How does the temperature on Mercury's surface vary? a) It is consistently hot b) It is consistently cold c) It varies widely between day and night d) It is mild and stable 29 / 30 29. What is the name of the region on Pluto characterized by vast plains of nitrogen ice? a) Sputnik Planitia b) Tombaugh Regio c) Lowell Regio d) Cthulhu Regio 30 / 30 30. What is the name of the moon of Jupiter with a subsurface ocean that may harbor conditions suitable for life? a) Europa b) Ganymede c) Callisto d) Io 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