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 largest moon of Pluto? a) Charon b) Styx c) Nix d) Kerberos 2 / 30 2. What is the name of the bright, elongated stream of gas and dust extending from the coma of a comet? a) Nucleus b) Coma c) Tail d) Ionosphere 3 / 30 3. Which spacecraft conducted a close-up study of Ceres, revealing bright spots and other intriguing features on its surface? a) Voyager 1 b) Voyager 2 c) Dawn d) New Horizons 4 / 30 4. What is the name of the largest impact basin on Mars, covering a vast region of the planet's southern hemisphere? a) Hellas Planitia b) Valles Marineris c) Utopia Planitia d) Argyre Planitia 5 / 30 5. What was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 6 / 30 6. What is the primary cause of auroras on Earth? a) Reflection of sunlight off the poles b) Interaction between solar wind and Earth's magnetosphere c) Volcanic activity d) Oceanic tides 7 / 30 7. Which space probe carried a golden record containing sounds and images of Earth, intended as a message to potential extraterrestrial civilizations? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 8 / 30 8. 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 9 / 30 9. What is the name of the spacecraft that discovered geysers erupting from beneath the icy surface of Saturn's moon, Enceladus? a) Cassini b) New Horizons c) Juno d) Voyager 2 10 / 30 10. Which space probe became the first human-made object to reach interstellar space? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 11 / 30 11. What is the name of the volcanic moon of Jupiter known for its intense volcanic activity? a) Europa b) Callisto c) Ganymede d) Io 12 / 30 12. 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 13 / 30 13. Which space probe was the first to fly by Jupiter, Saturn, Uranus, and Neptune, providing detailed data on these gas giants and their moons? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 14 / 30 14. 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 15 / 30 15. What is the name of the intense radiation belt surrounding Jupiter? a) Van Allen Belts b) Kuiper Belt c) Oort Cloud d) Magnetosphere 16 / 30 16. Which biome is characterized by long, cold winters and short, cool summers, with coniferous trees as the dominant vegetation? a) Taiga (Boreal Forest) b) Temperate Deciduous Forest c) Grassland (Prairie) d) Tundra 17 / 30 17. 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 18 / 30 18. What is the name of the largest moon of Uranus? a) Oberon b) Miranda c) Titania d) Umbriel 19 / 30 19. What is the name of Kepler's second law of planetary motion? a) Law of Inertia b) Law of Conservation of Angular Momentum c) Law of Equal Areas d) Law of Gravitation 20 / 30 20. 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 21 / 30 21. What is the name of the prominent storm observed on Neptune's atmosphere that disappeared after a few years? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Scooter 22 / 30 22. What is the name of the hexagonal cloud pattern observed at Saturn's north pole? a) Saturn's Hexagon b) Jupiter's Great Red Spot c) Venus' Vortex d) Uranus' Rings 23 / 30 23. What is the name of the process by which rocks are broken down into smaller fragments through physical, chemical, or biological means? a) Erosion b) Weathering c) Deposition d) Lithification 24 / 30 24. What geological feature on Mercury suggests it has contracted over time? a) Lava plains b) Scarps or cliffs c) Impact basins d) Volcanic vents 25 / 30 25. What is the Oort Cloud? 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 spherical cloud of icy bodies surrounding the Solar System 26 / 30 26. What is the term for the process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight? a) Photosynthesis b) Respiration c) Transpiration d) Decomposition 27 / 30 27. Which moon of Saturn exhibits extensive cryovolcanism, with geysers erupting from its south polar region? a) Titan b) Enceladus c) Rhea d) Dione 28 / 30 28. 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 29 / 30 29. According to Kepler's first law of planetary motion, what shape do planetary orbits trace around the Sun? a) Circular b) Elliptical c) Parabolic d) Hyperbolic 30 / 30 30. 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 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