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 name of the moon of Makemake discovered in 2015? a) S/2015 (136472) 1 b) Weywot c) MK2 d) Hiiaka 2 / 30 2. Which moon of Uranus is unique for its extreme axial tilt, causing it to essentially orbit the planet on its side? a) Miranda b) Ariel c) Oberon d) Titania 3 / 30 3. What is the potential significance of recurring slope lineae (RSL) observed on Mars? a) Evidence of ancient rivers b) Indication of active water flows c) Evidence of volcanic activity d) Indication of seismic activity 4 / 30 4. 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 5 / 30 5. What is the name of the largest and brightest ring of Uranus? a) Epsilon Ring b) Delta Ring c) Alpha Ring d) Beta Ring 6 / 30 6. What is the approximate distance from the Sun to the inner edge of the Asteroid Belt? a) 0.5 AU b) 2 AU c) 3 AU d) 4 AU 7 / 30 7. 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 8 / 30 8. Which space probe conducted a flyby of Pluto in 2015, providing the first close-up images of the dwarf planet? a) New Horizons b) Juno c) Curiosity d) Opportunity 9 / 30 9. 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 10 / 30 10. What is the process by which plants and animals naturally adapt to their environment over time? a) Evolution b) Photosynthesis c) Transpiration d) Respiration 11 / 30 11. Which Mars rover recently completed its mission, having operated on the Martian surface for over 15 years? a) Juno b) Curiosity c) Opportunity d) New Horizons 12 / 30 12. What is gravitational interaction? a) The exchange of electromagnetic forces between celestial bodies b) The exchange of gravitational forces between celestial bodies c) The exchange of nuclear forces between celestial bodies d) The exchange of kinetic forces between celestial bodies 13 / 30 13. Which canyon system on Mars is the largest in the solar system? a) Grand Canyon b) Valles Marineris c) Great Rift Valley d) Canyonlands National Park 14 / 30 14. 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 15 / 30 15. 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 16 / 30 16. What is the name of the space telescope launched by NASA in 1990, which has provided breathtaking images and groundbreaking discoveries in astronomy? a) Hubble Space Telescope b) James Webb Space Telescope c) Spitzer Space Telescope d) Chandra X-ray Observatory 17 / 30 17. What is the primary component of Eris's surface? a) Water ice b) Methane ice c) Nitrogen ice d) Ammonia ice 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. Which comet made a close approach to Earth in 1996, becoming widely visible to the naked eye? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 20 / 30 20. What is the name of the largest moon of Uranus? a) Oberon b) Miranda c) Titania d) Umbriel 21 / 30 21. What is the primary component of Neptune's atmosphere? a) Nitrogen b) Hydrogen c) Methane d) Helium 22 / 30 22. What is the name of the second-largest moon of Pluto? a) Styx b) Nix c) Kerberos d) Hydra 23 / 30 23. 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 24 / 30 24. 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 25 / 30 25. 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 26 / 30 26. What is the term for the movement of water from the Earth's surface into the atmosphere through evaporation from bodies of water and transpiration from plants? a) Condensation b) Precipitation c) Sublimation d) Evapotranspiration 27 / 30 27. Which layer of the Earth's atmosphere is closest to the planet's surface? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 28 / 30 28. 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 29 / 30 29. 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 30 / 30 30. What is the central solid core of a comet called? a) Nucleus b) Coma c) Tail d) Ionosphere 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