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. Which surface feature on Venus is a vast, elevated region similar to continents on Earth? a) Valles Marineris b) Aphrodite Terra c) Olympus Mons d) Tharsis Rise 2 / 30 2. Which spacecraft conducted the first soft landing on the far side of the Moon in 2019, deploying the Yutu-2 rover? a) Apollo 11 b) Chang'e 4 c) Chandrayaan-2 d) Luna 2 3 / 30 3. How many moons does Mars have? a) 1 b) 2 c) 3 d) 4 4 / 30 4. What is the name of the moon of Pluto discovered in 2011 and named after the three-headed dog that guards the entrance to the underworld in Greek mythology? a) Charon b) Styx c) Nix d) Kerberos 5 / 30 5. 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 6 / 30 6. What is the Earth's mantle primarily composed of? a) Iron and nickel b) Silicon and oxygen c) Calcium carbonate d) Water and ice 7 / 30 7. Which comet is known for its exceptionally long tail and was visible to the naked eye for several months in 1997? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 8 / 30 8. What geological feature on Mercury suggests it has contracted over time? a) Lava plains b) Scarps or cliffs c) Impact basins d) Volcanic vents 9 / 30 9. What is the name of the moon of Saturn with a distinctive two-toned appearance, caused by impact cratering? a) Titan b) Enceladus c) Iapetus d) Hyperion 10 / 30 10. Which dwarf planet is notable for its elongated shape and rapid rotation? a) Eris b) Haumea c) Makemake d) Ceres 11 / 30 11. Which moon of Saturn is the only moon in the Solar System known to have a dense atmosphere, primarily composed of nitrogen? a) Titan b) Enceladus c) Miranda d) Triton 12 / 30 12. What is the most prominent feature of Neptune's atmosphere? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Polar vortex 13 / 30 13. Which planet in the Solar System experiences the strongest winds, with wind speeds reaching up to 1,800 kilometers per hour (about 1,118 miles per hour)? a) Jupiter b) Saturn c) Neptune d) Uranus 14 / 30 14. Which spacecraft provided the first close-up images and data of Neptune and its moons? a) Voyager 1 b) Voyager 2 c) Cassini d) New Horizons 15 / 30 15. What is the name of the largest meteorite ever found on Earth? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 16 / 30 16. What is the main composition of objects found in the Kuiper Belt? a) Rock and metal b) Ice and rock c) Gas and dust d) Hydrogen and helium 17 / 30 17. Which moon of Jupiter has the highest density among the Galilean moons, indicating a significant amount of rocky material in its composition? a) Io b) Europa c) Ganymede d) Callisto 18 / 30 18. What phenomenon on Venus is characterized by a slow retrograde rotation, meaning it rotates in the opposite direction of most planets in the Solar System? a) Axial tilt b) Retrograde rotation c) Synodic period d) Orbital resonance 19 / 30 19. What is the most notable feature of Uranus's atmosphere? a) Giant red spot b) Hexagonal storm c) Massive hurricane d) Strong ammonia odor 20 / 30 20. Which space probe recently completed its mission by crashing into the surface of Comet 67P/Churyumov-Gerasimenko? a) New Horizons b) Juno c) Dawn d) Rosetta 21 / 30 21. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it? a) New Horizons b) Juno c) Curiosity d) Opportunity 22 / 30 22. 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 23 / 30 23. Which Mars rover was launched in 2011 and has been exploring Gale Crater since its landing in 2012? a) New Horizons b) Juno c) Curiosity d) Opportunity 24 / 30 24. Which asteroid is the largest object in the Asteroid Belt? a) Vesta b) Ceres c) Pallas d) Hygiea 25 / 30 25. What is the biosphere? a) The layer of the Earth's atmosphere where living organisms exist b) The rocky outer layer of the Earth c) The layer of the Earth's mantle containing molten rock d) The zone on Earth where life exists, including land, water, and air 26 / 30 26. What effect do tidal forces have on celestial bodies? a) They cause heating and melting of the surface b) They cause earthquakes and volcanic eruptions c) They cause the elongation and deformation of the body d) They cause the body to lose its atmosphere 27 / 30 27. Which space probe provided the first close-up images of Jupiter and Saturn? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 28 / 30 28. What is the name of the tallest mountain on Mars, often compared to Mount Everest on Earth? a) Olympus Mons b) Mount Kilimanjaro c) Mount Sharp d) Mount Vesuvius 29 / 30 29. What is the name of the dark, circular feature on the Moon's surface, formed by a volcanic eruption or impact? a) Crater b) Rille c) Mare d) Highland 30 / 30 30. Which of the following is NOT a layer of the Earth's interior? a) Crust b) Mantle c) Core d) Hydrosphere 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