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 was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 2 / 30 2. What is the name of the largest moon of Jupiter? a) Europa b) Ganymede c) Callisto d) Io 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 are substorms in the context of Earth's magnetosphere? a) Minor earthquakes caused by magnetic field changes b) Temporary disturbances in the magnetosphere that intensify auroras c) Sudden changes in weather patterns d) Localized solar flares 5 / 30 5. 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 6 / 30 6. What is the name of the storm system observed at Saturn's south pole, which is similar to Jupiter's Great Red Spot but located at the pole? a) Saturn's Hexagon b) Saturn's South Polar Vortex c) Saturn's North Polar Vortex d) Saturn's Great Dark Spot 7 / 30 7. Which moon of Saturn is known for its active geysers erupting from its south pole, indicating the presence of a subsurface ocean? a) Titan b) Enceladus c) Miranda d) Triton 8 / 30 8. 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 9 / 30 9. Which spacecraft was the first to visit Mercury? a) Voyager 1 b) Pioneer 10 c) Mariner 10 d) Galileo 10 / 30 10. 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 11 / 30 11. Which gas giant planet has the fastest winds in the Solar System, with wind speeds reaching up to 2,100 kilometers per hour (about 1,305 miles per hour)? a) Jupiter b) Saturn c) Neptune d) Uranus 12 / 30 12. 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 13 / 30 13. 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 14 / 30 14. 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 15 / 30 15. Which dwarf planet is considered the largest object in the Kuiper Belt? a) Pluto b) Haumea c) Eris d) Makemake 16 / 30 16. 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 17 / 30 17. 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 18 / 30 18. What is the name of the moon of Neptune with a highly eccentric orbit and retrograde motion? a) Nereid b) Triton c) Proteus d) Larissa 19 / 30 19. What is axial tilt in planetary astronomy? a) The distance between a planet and the Sun b) The angle between a planet's orbit and the plane of its equator c) The time it takes for a planet to complete one orbit around the Sun d) The angle between a planet's axis of rotation and the perpendicular to its orbital plane 20 / 30 20. What geological feature on Mercury suggests it has contracted over time? a) Lava plains b) Scarps or cliffs c) Impact basins d) Volcanic vents 21 / 30 21. Which moon of Jupiter is the largest in the solar system? a) Europa b) Ganymede c) Io d) Callisto 22 / 30 22. Which meteorite is composed mainly of iron and nickel and often exhibits a characteristic Widmanstätten pattern upon etching? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 23 / 30 23. 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 24 / 30 24. 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 25 / 30 25. 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 26 / 30 26. Which mission provided the first detailed radar maps of Venus's surface? a) Mariner 2 b) Magellan c) Pioneer Venus d) Venera 7 27 / 30 27. What is the name of the moon of Makemake discovered in 2015? a) S/2015 (136472) 1 b) Weywot c) MK2 d) Hiiaka 28 / 30 28. What is the name of the largest and brightest ring of Uranus? a) Epsilon Ring b) Delta Ring c) Alpha Ring d) Beta Ring 29 / 30 29. Which comet is the most famous and well-known, with a regular period of approximately 76 years? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 30 / 30 30. 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 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