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 space telescope is designed to search for Earth-like planets orbiting other stars and is scheduled for launch in the 2020s? a) Hubble Space Telescope b) James Webb Space Telescope c) TESS (Transiting Exoplanet Survey Satellite) d) WFIRST (Wide Field Infrared Survey Telescope) 2 / 30 2. What is the primary cause of auroras on Earth? a) Reflection of sunlight off the poles b) Interaction between solar wind and Earth's magnetosphere c) Volcanic activity d) Oceanic tides 3 / 30 3. What is the average surface temperature on Venus? a) 100°C b) 250°C c) 460°C d) 800°C 4 / 30 4. What is the Earth's mantle primarily composed of? a) Iron and nickel b) Silicon and oxygen c) Calcium carbonate d) Water and ice 5 / 30 5. Which celestial body exhibits significant tidal heating, resulting in geologically active features such as cryovolcanoes? a) Earth b) Mars c) Io (moon of Jupiter) d) Triton (moon of Neptune) 6 / 30 6. What is the term for the gradual wearing away of the Earth's surface by natural processes such as wind, water, and ice? a) Erosion b) Deposition c) Weathering d) Subsidence 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. 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 9 / 30 9. What is the name of the second-largest moon of Pluto? a) Styx b) Nix c) Kerberos d) Hydra 10 / 30 10. Which surface feature on Venus is a vast, elevated region similar to continents on Earth? a) Valles Marineris b) Aphrodite Terra c) Olympus Mons d) Tharsis Rise 11 / 30 11. What are auroras commonly known as when seen in the Northern Hemisphere? a) Southern Lights b) Equatorial Lights c) Northern Lights d) Polar Lights 12 / 30 12. What causes the extreme greenhouse effect on Venus? a) Thick atmosphere with high levels of carbon dioxide b) Rapid rotation of the planet c) Presence of water vapor d) Distance from the Sun 13 / 30 13. Which moon of Jupiter is the most volcanically active body in the Solar System, with hundreds of active volcanoes? a) Io b) Europa c) Ganymede d) Callisto 14 / 30 14. What was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 15 / 30 15. Which moon of Jupiter is known for its heavily cratered surface, indicating its ancient geological history and lack of significant geological activity? a) Ganymede b) Europa c) Io d) Callisto 16 / 30 16. Which elements in Earth's atmosphere are responsible for the green and red colors in auroras? a) Hydrogen and helium b) Carbon and nitrogen c) Oxygen and nitrogen d) Sulfur and chlorine 17 / 30 17. Which moon of Saturn is thought to have subsurface oceans beneath its icy crust, similar to Europa and Enceladus? a) Titan b) Enceladus c) Miranda d) Triton 18 / 30 18. Which moon of Jupiter is the most heavily cratered body in the Solar System, indicating its ancient surface? a) Io b) Europa c) Ganymede d) Callisto 19 / 30 19. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it? a) New Horizons b) Juno c) Curiosity d) Opportunity 20 / 30 20. Which geological feature on Earth is the result of the collision between tectonic plates, leading to the formation of mountain ranges? a) Impact crater b) Rift valley c) Trench d) Fold mountain 21 / 30 21. 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 22 / 30 22. Which meteorite impact created the Barringer Crater in Arizona, USA? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 23 / 30 23. What is the primary component of Uranus's atmosphere? a) Hydrogen b) Helium c) Methane d) Ammonia 24 / 30 24. 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 25 / 30 25. 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 26 / 30 26. Which layer of the Earth's atmosphere contains the ozone layer? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 27 / 30 27. What is the name of the spacecraft that successfully landed the Huygens probe on Saturn's largest moon, Titan, in 2005? a) Cassini b) New Horizons c) Juno d) Voyager 2 28 / 30 28. Which space probe provided the first close-up images of the asteroid Vesta and the dwarf planet Ceres in the asteroid belt? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Dawn 29 / 30 29. What is the name of the large, high-altitude vortex observed at Venus' south pole? a) Venus' Vortex b) Venus' Great Dark Spot c) Venus' South Polar Vortex d) Venus' North Polar Vortex 30 / 30 30. During which solar event are auroras most likely to be observed? a) Solar eclipse b) Lunar eclipse c) Solar flare d) New moon 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