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. 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 2 / 30 2. What is the name of the phenomenon where a planet or moon passes directly between a star and the observer, causing a temporary decrease in the star's brightness? a) Solar eclipse b) Lunar eclipse c) Transit d) Occultation 3 / 30 3. 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 4 / 30 4. 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 5 / 30 5. What are auroras commonly known as when seen in the Northern Hemisphere? a) Southern Lights b) Equatorial Lights c) Northern Lights d) Polar Lights 6 / 30 6. What is the name of the valley network system on Mars that suggests past water erosion? a) Valles Marineris b) Elysium Mons c) Hellas Planitia d) Noctis Labyrinthus 7 / 30 7. What is the approximate diameter of Uranus? a) 30,000 kilometers (18,600 miles) b) 50,000 kilometers (31,000 miles) c) 70,000 kilometers (43,500 miles) d) 90,000 kilometers (56,000 miles) 8 / 30 8. What causes tidal forces? a) Gravitational pull from nearby stars b) Gravitational pull from the Moon and Sun c) Electromagnetic forces between celestial bodies d) Nuclear reactions within celestial bodies 9 / 30 9. What was the approximate length of the tail of Comet Hale-Bopp during its peak brightness in 1997? a) 1 million kilometers b) 10 million kilometers c) 100 million kilometers d) 1 billion kilometers 10 / 30 10. What is the name of the process by which rocks are transformed into new types of rocks through heat and pressure? a) Erosion b) Weathering c) Deposition d) Metamorphism 11 / 30 11. Which moon of Jupiter is the largest moon in the Solar System, even larger than the planet Mercury? a) Io b) Europa c) Ganymede d) Callisto 12 / 30 12. 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 13 / 30 13. 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 14 / 30 14. 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 15 / 30 15. 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 16 / 30 16. Which mission provided the first detailed radar maps of Venus's surface? a) Mariner 2 b) Magellan c) Pioneer Venus d) Venera 7 17 / 30 17. Which space probe recently completed its mission by crashing into the surface of Comet 67P/Churyumov-Gerasimenko? a) New Horizons b) Juno c) Dawn d) Rosetta 18 / 30 18. What is the Earth's mantle primarily composed of? a) Iron and nickel b) Silicon and oxygen c) Calcium carbonate d) Water and ice 19 / 30 19. What is the name of a small rocky or metallic body in space that enters Earth's atmosphere and produces a streak of light? a) Meteorite b) Meteoroid c) Meteor d) Comet 20 / 30 20. What is the name of the giant storm system observed on Neptune? a) Great White Spot b) Great Blue Spot c) Great Green Spot d) Great Dark Spot 21 / 30 21. Which gas giant planet exhibits alternating bands of clouds in its atmosphere, known as belts and zones, caused by powerful atmospheric jet streams? a) Jupiter b) Saturn c) Neptune d) Uranus 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. Which moon of Jupiter is known for its highly active surface geology, with extensive cryovolcanism and icy geysers? a) Ganymede b) Europa c) Io d) Callisto 24 / 30 24. Which spacecraft conducted a flyby of Pluto, providing the first close-up images and data of the dwarf planet? a) Voyager 1 b) Voyager 2 c) New Horizons d) Cassini 25 / 30 25. What is the name of the largest moon of Neptune? a) Triton b) Proteus c) Larissa d) Naiad 26 / 30 26. Which moon of Jupiter is known for its smooth, icy surface with long cracks and streaks caused by tidal forces? a) Io b) Europa c) Ganymede d) Callisto 27 / 30 27. 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 28 / 30 28. What is the most prominent feature of Neptune's atmosphere? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Polar vortex 29 / 30 29. What are the high-altitude clouds on Venus primarily composed of? a) Water vapor b) Sulfuric acid c) Methane d) Ammonia 30 / 30 30. What is the name of the largest meteorite ever found on Earth? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 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