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 is the name of the phenomenon where tidal forces cause a celestial body to become elongated along the axis pointing toward the attracting body? a) Tidal heating b) Tidal friction c) Tidal stretching d) Tidal locking 2 / 30 2. What was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 3 / 30 3. 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 4 / 30 4. Which moon of Jupiter is the largest in the solar system? a) Europa b) Ganymede c) Io d) Callisto 5 / 30 5. What is the name of the phase of the Moon when it is fully illuminated as seen from Earth? a) New Moon b) First Quarter c) Full Moon d) Third Quarter 6 / 30 6. What is tidal locking? a) The synchronization of rotation and orbit of a moon b) The synchronization of rotation and orbit of a planet c) The synchronization of rotation and orbit of a star d) The synchronization of rotation and orbit of a comet 7 / 30 7. 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) 8 / 30 8. What is the name of the largest known object in the asteroid belt between Mars and Jupiter? a) Eris b) Haumea c) Makemake d) Ceres 9 / 30 9. 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 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. 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 12 / 30 12. 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 13 / 30 13. Which Mars rover was launched in 2011 and has been exploring Gale Crater since its landing in 2012? a) New Horizons b) Juno c) Curiosity d) Opportunity 14 / 30 14. During which solar event are auroras most likely to be observed? a) Solar eclipse b) Lunar eclipse c) Solar flare d) New moon 15 / 30 15. Which dwarf planet is known for its highly eccentric orbit that takes it far beyond the orbit of Pluto? a) Eris b) Haumea c) Makemake d) Ceres 16 / 30 16. Which dwarf planet is known for its reddish surface color, likely due to the presence of organic compounds? a) Eris b) Haumea c) Makemake d) Ceres 17 / 30 17. What is the name of the largest meteorite ever found on Earth? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 18 / 30 18. What is the potential significance of recent discoveries of subsurface water ice on Mars? a) Evidence of ancient oceans b) Indication of present-day habitability c) Evidence of past volcanic activity d) Indication of geological faults 19 / 30 19. Which moon of Saturn is the only moon in the Solar System known to have a dense atmosphere, primarily composed of nitrogen? a) Titan b) Enceladus c) Miranda d) Triton 20 / 30 20. Which layer of the Earth's atmosphere contains most of the weather phenomena? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 21 / 30 21. What is the name of the massive, swirling storm system observed at Saturn's south pole? a) Saturn's Hexagon b) Venus' Vortex c) Saturn's North Polar Vortex d) Saturn's South Polar Vortex 22 / 30 22. What is gravitational interaction? a) The exchange of electromagnetic forces between celestial bodies b) The exchange of gravitational forces between celestial bodies c) The exchange of nuclear forces between celestial bodies d) The exchange of kinetic forces between celestial bodies 23 / 30 23. What is the approximate diameter of Jupiter's Great Red Spot? a) 10,000 kilometers (6,200 miles) b) 20,000 kilometers (12,400 miles) c) 30,000 kilometers (18,600 miles) d) 40,000 kilometers (24,800 miles) 24 / 30 24. What is the name of the space telescope launched by NASA in 1990, which has provided breathtaking images and groundbreaking discoveries in astronomy? a) Hubble Space Telescope b) James Webb Space Telescope c) Spitzer Space Telescope d) Chandra X-ray Observatory 25 / 30 25. 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 26 / 30 26. What is the process by which plants and animals naturally adapt to their environment over time? a) Evolution b) Photosynthesis c) Transpiration d) Respiration 27 / 30 27. 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 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. What is the name of the moon of Makemake discovered in 2015? a) S/2015 (136472) 1 b) Weywot c) MK2 d) Hiiaka 30 / 30 30. What is unique about Uranus's rotation axis compared to other planets in the Solar System? a) It has a retrograde rotation b) It has an extremely slow rotation c) It has a nearly 90-degree tilt d) It has no rotation axis tilt 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