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 largest meteorite ever found on Earth? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 2 / 30 2. 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 3 / 30 3. 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 4 / 30 4. 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 5 / 30 5. 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 6 / 30 6. 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 7 / 30 7. 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 8 / 30 8. What is the rotational period of Earth? a) Approximately 24 hours b) Approximately 365 days c) Approximately 27.3 days d) Approximately 29.5 days 9 / 30 9. What is the estimated total number of icy bodies in the Oort Cloud? a) Thousands b) Millions c) Billions d) Trillions 10 / 30 10. Which moon of Saturn is known for its thick atmosphere and lakes of liquid methane and ethane on its surface? a) Titan b) Enceladus c) Mimas d) Rhea 11 / 30 11. What is the state of Mercury's atmosphere? a) Thick and cloudy b) Thin and composed mainly of oxygen c) Almost nonexistent and composed of trace elements d) Similar to Earth's atmosphere 12 / 30 12. Which mission is currently orbiting Mercury to study its surface and composition? a) Cassini b) Juno c) MESSENGER d) New Horizons 13 / 30 13. What is the primary component of Neptune's atmosphere? a) Nitrogen b) Hydrogen c) Methane d) Helium 14 / 30 14. What is the effect of a strong solar wind on satellites in orbit around Earth? a) It has no effect b) It can damage their electronics and alter their orbits c) It can increase their speed d) It can make them invisible to ground stations 15 / 30 15. How does solar wind contribute to the creation of auroras on Earth? a) By heating the Earth's surface b) By interacting with Earth's magnetic field and atmosphere c) By increasing Earth's gravitational pull d) By blocking sunlight 16 / 30 16. What is the process by which sedimentary rocks are formed through the compaction and cementation of sediments? a) Erosion b) Weathering c) Lithification d) Deposition 17 / 30 17. 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 18 / 30 18. What is the name of the robotic rover currently exploring the surface of Mars? a) Voyager b) Curiosity c) Opportunity d) Spirit 19 / 30 19. What is the name of the moon of Makemake discovered in 2015? a) S/2015 (136472) 1 b) Weywot c) MK2 d) Hiiaka 20 / 30 20. 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 21 / 30 21. Which moon of Jupiter is known for its bright, highly reflective surface and its distinctive grooved terrain? a) Io b) Europa c) Ganymede d) Callisto 22 / 30 22. What is tidal locking? a) The synchronization of rotation and orbit of a moon b) The synchronization of rotation and orbit of a planet c) The synchronization of rotation and orbit of a star d) The synchronization of rotation and orbit of a comet 23 / 30 23. Which asteroid is the third-largest object in the Asteroid Belt? a) Vesta b) Ceres c) Pallas d) Hygiea 24 / 30 24. What is the name of the dark, vortical storm system observed at Neptune's equator? a) Great Dark Spot b) Great Red Spot c) North Equatorial Belt d) South Equatorial Belt 25 / 30 25. How do solar storms, like coronal mass ejections, affect the occurrence of auroras? a) They reduce the frequency of auroras b) They cause auroras to occur only at the poles c) They enhance and expand the visibility of auroras d) They eliminate auroras completely 26 / 30 26. What effect does tidal heating have on celestial bodies? a) It causes the elongation and deformation of the body b) It causes the loss of the body's atmosphere c) It causes heating and melting of the body's interior d) It causes earthquakes and volcanic eruptions 27 / 30 27. Which space probe was the first to visit Jupiter and later became the first human-made object to leave the Solar System? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 28 / 30 28. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it? a) New Horizons b) Juno c) Curiosity d) Opportunity 29 / 30 29. 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 30 / 30 30. What is the name of the largest moon of Uranus? a) Oberon b) Miranda c) Titania d) Umbriel Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Solar System MCQ PDF for Offline Study