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. Which comet is known for its bright appearance and greenish coma due to the presence of cyanogen and diatomic carbon? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 2 / 30 2. What is the name of the large, high-altitude vortex observed at Venus' south pole? a) Saturn's Hexagon b) Venus' Vortex c) Venus' South Polar Vortex d) Venus' North Polar Vortex 3 / 30 3. What geological feature on Mercury suggests it has contracted over time? a) Lava plains b) Scarps or cliffs c) Impact basins d) Volcanic vents 4 / 30 4. What is the process by which water vapor changes into liquid water? a) Melting b) Evaporation c) Condensation d) Sublimation 5 / 30 5. 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 6 / 30 6. 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 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 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 9 / 30 9. What is the name of the hexagonal cloud pattern observed at Saturn's north pole? a) Saturn's Hexagon b) Venus' Vortex c) Jupiter's Great Red Spot d) Mars' Dust Storm 10 / 30 10. What is the name of the process by which rocks are broken down into smaller fragments through physical, chemical, or biological means? a) Erosion b) Weathering c) Deposition d) Lithification 11 / 30 11. 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 12 / 30 12. What are auroras commonly known as when seen in the Northern Hemisphere? a) Southern Lights b) Equatorial Lights c) Northern Lights d) Polar Lights 13 / 30 13. Which space probe conducted flybys of Jupiter and Saturn before embarking on a trajectory to leave the Solar System in a different direction from Voyager 1? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 14 / 30 14. Which region of the Sun is responsible for the acceleration of the solar wind? a) Core b) Radiative Zone c) Convective Zone d) Corona 15 / 30 15. 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 16 / 30 16. What is the name of the largest meteorite ever found on Earth? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 17 / 30 17. What is the primary component of Jupiter's atmosphere? a) Oxygen b) Nitrogen c) Helium d) Carbon dioxide 18 / 30 18. Which Apollo mission was the last to land humans on the Moon's surface? a) Apollo 14 b) Apollo 15 c) Apollo 16 d) Apollo 17 19 / 30 19. Which asteroid is the largest object in the Asteroid Belt? a) Vesta b) Ceres c) Pallas d) Hygiea 20 / 30 20. What is the solar wind? a) A stream of water particles from the Sun b) A flow of charged particles released from the Sun's atmosphere c) A type of solar radiation d) A gravitational wave from the Sun 21 / 30 21. 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 22 / 30 22. 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 23 / 30 23. What was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 24 / 30 24. 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 25 / 30 25. What is the most prominent feature of Neptune's atmosphere? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Polar vortex 26 / 30 26. What geological feature on Earth is formed by the stretching and thinning of the crust, leading to the sinking of blocks of land between parallel faults? a) Impact crater b) Rift valley c) Trench d) Fold mountain 27 / 30 27. 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 28 / 30 28. What is the central solid core of a comet called? a) Nucleus b) Coma c) Tail d) Ionosphere 29 / 30 29. Which comet is known for its exceptionally long tail and was visible to the naked eye for several months in 1997? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 30 / 30 30. What is the average surface temperature of Pluto? a) -200°C (-328°F) b) -100°C (-148°F) c) 0°C (32°F) d) 100°C (212°F) 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