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 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 2 / 30 2. 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 3 / 30 3. 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 4 / 30 4. Which biome is characterized by long, cold winters, short summers, permafrost, and low-growing vegetation such as mosses and lichens? a) Taiga (Boreal Forest) b) Tundra c) Desert d) Grassland (Prairie) 5 / 30 5. Which ground-based telescope is located in Chile and is designed to search for exoplanets using the transit method? a) Hubble Space Telescope b) James Webb Space Telescope c) Gran Telescopio Canarias (GTC) d) SPECULOOS 6 / 30 6. What is the term for the movement of water from the Earth's surface into the atmosphere through evaporation from bodies of water and transpiration from plants? a) Condensation b) Precipitation c) Sublimation d) Evapotranspiration 7 / 30 7. 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 8 / 30 8. Which comet made a close approach to Earth in 1996, becoming widely visible to the naked eye? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 9 / 30 9. What is the heliosphere? a) The Sun's core b) The region around the Sun dominated by the solar wind c) A layer within the Sun d) A planet orbiting close to the Sun 10 / 30 10. 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 11 / 30 11. What was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 12 / 30 12. 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) 13 / 30 13. 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 14 / 30 14. Which space probe was the first to fly by Jupiter and Saturn and provided close-up images of their moons, including Io's volcanic activity? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 15 / 30 15. Which ground-based observatory is operated by the European Southern Observatory (ESO) and consists of four individual telescopes located in Chile? a) Hubble Space Telescope b) James Webb Space Telescope c) Keck Observatory d) Very Large Telescope (VLT) 16 / 30 16. What is the Kuiper Belt? a) A region of space between Mars and Jupiter b) A ring of debris surrounding Saturn c) A region of the outer Solar System beyond Neptune d) A cluster of asteroids near Earth 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. 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) 19 / 30 19. 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 20 / 30 20. What is the average speed of the solar wind as it leaves the Sun? a) 100 km/s b) 400 km/s c) 1,000 km/s d) 10,000 km/s 21 / 30 21. What is the name of the spacecraft that became the first human-made object to reach interstellar space in 2012? a) Voyager 1 b) Voyager 2 c) New Horizons d) Cassini 22 / 30 22. During which solar event are auroras most likely to be observed? a) Solar eclipse b) Lunar eclipse c) Solar flare d) New moon 23 / 30 23. What is the name of the largest meteorite ever found on Earth? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 24 / 30 24. 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 25 / 30 25. What is the name of the largest feature on Pluto's surface, which is a heart-shaped region? a) Tombaugh Regio b) Sputnik Planitia c) Cthulhu Regio d) Lowell Regio 26 / 30 26. Which moon of Saturn exhibits a prominent equatorial ridge that encircles its entire circumference, giving it a distinct walnut-like shape? a) Titan b) Enceladus c) Mimas d) Iapetus 27 / 30 27. Which Mars rover recently completed its mission, having operated on the Martian surface for over 15 years? a) Juno b) Curiosity c) Opportunity d) New Horizons 28 / 30 28. Which moon of Saturn is believed to have a subsurface ocean beneath its icy crust? a) Enceladus b) Titan c) Mimas d) Dione 29 / 30 29. What is the main composition of objects found in the Kuiper Belt? a) Rock and metal b) Ice and rock c) Gas and dust d) Hydrogen and helium 30 / 30 30. Which ground-based telescope is the world's largest single-aperture optical telescope and is located in the Canary Islands, Spain? a) Hubble Space Telescope b) James Webb Space Telescope c) Gran Telescopio Canarias (GTC) d) Very Large Telescope (VLT) 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