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 average surface temperature on Venus? a) 100°C b) 250°C c) 460°C d) 800°C 2 / 30 2. What is the name of the region on Pluto characterized by dark, heavily cratered terrain? a) Sputnik Planitia b) Tombaugh Regio c) Lowell Regio d) Cthulhu Regio 3 / 30 3. 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 4 / 30 4. What causes the extreme greenhouse effect on Venus? a) Thick atmosphere with high levels of carbon dioxide b) Rapid rotation of the planet c) Presence of water vapor d) Distance from the Sun 5 / 30 5. Which comet is known for its bright appearance and greenish coma due to the presence of cyanogen and diatomic carbon? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 6 / 30 6. What is the most prominent feature of Neptune's atmosphere? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Polar vortex 7 / 30 7. 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 8 / 30 8. Which asteroid is the largest object in the Asteroid Belt? a) Vesta b) Ceres c) Pallas d) Hygiea 9 / 30 9. 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 10 / 30 10. What geological feature on Mercury suggests it has contracted over time? a) Lava plains b) Scarps or cliffs c) Impact basins d) Volcanic vents 11 / 30 11. Which moon of Saturn is thought to have subsurface oceans beneath its icy crust, similar to Europa and Enceladus? a) Titan b) Enceladus c) Miranda d) Triton 12 / 30 12. What is the solar wind? a) A stream of water particles from the Sun b) A flow of charged particles released from the Sun's atmosphere c) A type of solar radiation d) A gravitational wave from the Sun 13 / 30 13. 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 14 / 30 14. What is the most notable feature of Uranus's atmosphere? a) Giant red spot b) Hexagonal storm c) Massive hurricane d) Strong ammonia odor 15 / 30 15. 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 16 / 30 16. Which ground-based telescope is located in Chile and is designed to search for exoplanets using the transit method? a) Hubble Space Telescope b) James Webb Space Telescope c) Gran Telescopio Canarias (GTC) d) SPECULOOS 17 / 30 17. What is the name of the moon of Pluto discovered in 2005 and named after the ferryman of the underworld in Greek mythology? a) Charon b) Styx c) Nix d) Kerberos 18 / 30 18. Which layer of the Earth's interior is divided into the outer and inner layers? a) Crust b) Mantle c) Core d) Lithosphere 19 / 30 19. Which moon of Saturn exhibits extensive cryovolcanism, with geysers erupting from its south polar region? a) Titan b) Enceladus c) Rhea d) Dione 20 / 30 20. 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 21 / 30 21. 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 22 / 30 22. Which moon of Neptune is thought to be a captured Kuiper Belt object, based on its retrograde orbit and unique composition? a) Titan b) Enceladus c) Miranda d) Triton 23 / 30 23. Which spacecraft conducted a flyby of Pluto, providing the first close-up images and data of the dwarf planet? a) Voyager 1 b) Voyager 2 c) New Horizons d) Cassini 24 / 30 24. 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 25 / 30 25. Which dwarf planet is notable for its elongated shape and rapid rotation? a) Eris b) Haumea c) Makemake d) Ceres 26 / 30 26. Which spacecraft, launched by NASA in 2006, conducted a historic flyby of Pluto in 2015, providing the first detailed images of the dwarf planet and its moons? a) Voyager 1 b) New Horizons c) Juno d) Cassini 27 / 30 27. Which moon of Jupiter is the most heavily cratered body in the Solar System, indicating its ancient surface? a) Io b) Europa c) Ganymede d) Callisto 28 / 30 28. 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 29 / 30 29. What is the name of the faint, outermost ring of Saturn discovered by the Voyager spacecraft? a) E Ring b) F Ring c) G Ring d) H Ring 30 / 30 30. Which asteroid is the target of the NASA OSIRIS-REx mission, which aims to return a sample to Earth? a) Ryugu b) Bennu c) Itokawa d) Mathilde 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