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 most notable feature of Uranus's atmosphere? a) Giant red spot b) Hexagonal storm c) Massive hurricane d) Strong ammonia odor 2 / 30 2. What is the name of the meteorite that produced the largest observed meteor airburst event in recorded history? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 3 / 30 3. Which mission provided the first detailed radar maps of Venus's surface? a) Mariner 2 b) Magellan c) Pioneer Venus d) Venera 7 4 / 30 4. 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 5 / 30 5. What is the name of the second-largest moon of Pluto? a) Styx b) Nix c) Kerberos d) Hydra 6 / 30 6. What is the name of the largest volcano in the solar system, located on Mars? a) Mount Everest b) Olympus Mons c) Mount Kilimanjaro d) Mauna Kea 7 / 30 7. 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 8 / 30 8. 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 9 / 30 9. Which space probe is currently studying the polar regions and atmosphere of Mars, searching for signs of past or present life? a) New Horizons b) Juno c) Curiosity d) Perseverance 10 / 30 10. Which planet in the Solar System exhibits extensive canyon systems, including Valles Marineris, which is considered the largest canyon in the Solar System? a) Mars b) Venus c) Earth d) Mercury 11 / 30 11. What is the name of the moon of Makemake discovered in 2015? a) S/2015 (136472) 1 b) Weywot c) MK2 d) Hiiaka 12 / 30 12. What is the name of the spacecraft launched by the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) to study Mercury? a) Rosetta b) BepiColombo c) Dawn d) Akatsuki 13 / 30 13. Which spacecraft provided close-up images of Jupiter and its moons in the 1990s? a) Cassini b) Voyager c) Galileo d) New Horizons 14 / 30 14. Which of the following is NOT a layer of the Earth's interior? a) Crust b) Mantle c) Core d) Hydrosphere 15 / 30 15. What is the name of the phase of the Moon when it is fully illuminated as seen from Earth? a) New Moon b) First Quarter c) Full Moon d) Third Quarter 16 / 30 16. Which moon of Jupiter is thought to have a subsurface ocean beneath its icy crust, similar to Europa, but with a greater depth and complexity? a) Io b) Europa c) Ganymede d) Callisto 17 / 30 17. Which planet in the Solar System has a thick atmosphere composed mainly of carbon dioxide, with surface pressures about 92 times that of Earth? a) Jupiter b) Saturn c) Mars d) Venus 18 / 30 18. 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 19 / 30 19. What is the primary component of Neptune's atmosphere? a) Nitrogen b) Hydrogen c) Methane d) Helium 20 / 30 20. What term refers to the bright streak of light produced when a meteoroid burns up in Earth's atmosphere? a) Meteorite b) Meteoroid c) Meteor d) Comet 21 / 30 21. 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 22 / 30 22. 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 23 / 30 23. What is the name of the comet that made a close approach to Earth in 1997, becoming one of the brightest comets of the 20th century? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 24 / 30 24. Which layer of the Earth's interior is divided into the outer and inner layers? a) Crust b) Mantle c) Core d) Lithosphere 25 / 30 25. Which space telescope observes the universe in X-ray wavelengths, allowing scientists to study high-energy phenomena such as black holes and supernova remnants? a) Hubble Space Telescope b) James Webb Space Telescope c) Keck Observatory d) Chandra X-ray Observatory 26 / 30 26. What is the primary component of Jupiter's atmosphere? a) Oxygen b) Nitrogen c) Helium d) Carbon dioxide 27 / 30 27. Which asteroid is the largest object in the Asteroid Belt? a) Vesta b) Ceres c) Pallas d) Hygiea 28 / 30 28. What is the name of the largest moon of Neptune? a) Triton b) Proteus c) Larissa d) Naiad 29 / 30 29. What is the average speed of the solar wind as it leaves the Sun? a) 100 km/s b) 400 km/s c) 1,000 km/s d) 10,000 km/s 30 / 30 30. What is the most prominent feature of Neptune's atmosphere? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Polar vortex 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