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 primary composition of objects found in the Oort Cloud? a) Rock and metal b) Ice and rock c) Gas and dust d) Hydrogen and helium 2 / 30 2. Which space probe successfully explored the dwarf planet Ceres in the asteroid belt, providing valuable data on its surface composition and features? a) New Horizons b) Juno c) Dawn d) Rosetta 3 / 30 3. Which of the following is NOT a type of rock formed by the process of weathering and erosion? a) Sedimentary rock b) Igneous rock c) Metamorphic rock d) None of the above 4 / 30 4. 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 5 / 30 5. What is the primary composition of Mercury's surface? a) Ice and water b) Rocky and metallic materials c) Volcanic ash and basalt d) Sand and organic compounds 6 / 30 6. 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 7 / 30 7. Which process is responsible for the movement of tectonic plates? a) Erosion b) Subduction c) Convection currents in the mantle d) Volcanic eruptions 8 / 30 8. What is the most notable feature of Uranus's atmosphere? a) Giant red spot b) Hexagonal storm c) Massive hurricane d) Strong ammonia odor 9 / 30 9. What was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 10 / 30 10. Which comet is famous for its spectacular breakup into multiple fragments, which collided with Jupiter in 1994? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 11 / 30 11. 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 12 / 30 12. Which meteorite impact created the Barringer Crater in Arizona, USA? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 13 / 30 13. Which ground-based telescope is the world's largest single-aperture optical telescope and is located in the Canary Islands, Spain? a) Hubble Space Telescope b) James Webb Space Telescope c) Gran Telescopio Canarias (GTC) d) Very Large Telescope (VLT) 14 / 30 14. What term refers to the fuzzy, glowing region surrounding the nucleus of a comet? a) Nucleus b) Coma c) Tail d) Ionosphere 15 / 30 15. Where is the Oort Cloud located in relation to the Solar System? a) Inside the orbit of Neptune b) Between the orbits of Neptune and Pluto c) Beyond the orbit of Pluto d) Inside the orbit of the Kuiper Belt 16 / 30 16. Which spacecraft was the first to directly measure the solar wind? a) Apollo 11 b) Voyager 1 c) Pioneer 10 d) Mariner 2 17 / 30 17. 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 18 / 30 18. 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 19 / 30 19. Which element, essential for life, has been detected in the form of methane on Mars? a) Oxygen b) Nitrogen c) Carbon d) Hydrogen 20 / 30 20. 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 21 / 30 21. 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 22 / 30 22. Which moon of Neptune is known for its retrograde orbit, meaning it orbits the planet in the opposite direction of Neptune's rotation? a) Triton b) Nereid c) Proteus d) Larissa 23 / 30 23. Which space probe conducted the first flyby of Saturn and provided detailed images of its rings and moons? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 24 / 30 24. 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 25 / 30 25. Which asteroid is known for its elongated shape and rapid rotation, resembling a spinning top? a) Ryugu b) Bennu c) Itokawa d) Mathilde 26 / 30 26. 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 27 / 30 27. 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 28 / 30 28. 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 29 / 30 29. 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 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