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 moon of Saturn with a distinctive two-toned appearance, caused by impact cratering? a) Titan b) Enceladus c) Iapetus d) Hyperion 2 / 30 2. 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 3 / 30 3. What term refers to the bright streak of light produced when a meteoroid burns up in Earth's atmosphere? a) Meteorite b) Meteoroid c) Meteor d) Comet 4 / 30 4. What is the name of the largest moon of Jupiter? a) Europa b) Ganymede c) Callisto d) Io 5 / 30 5. What is the primary component of Jupiter's atmosphere? a) Oxygen b) Nitrogen c) Helium d) Carbon dioxide 6 / 30 6. How does the temperature on Mercury's surface vary? a) It is consistently hot b) It is consistently cold c) It varies widely between day and night d) It is mild and stable 7 / 30 7. 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 8 / 30 8. Which moon of Uranus is known for its chaotic, fractured surface, possibly due to past impacts or internal heating? a) Titan b) Enceladus c) Miranda d) Triton 9 / 30 9. 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) 10 / 30 10. What is the name of the largest moon of Neptune? a) Triton b) Proteus c) Larissa d) Naiad 11 / 30 11. 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 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 dwarf planet was the first to be discovered beyond Pluto's orbit in the Kuiper Belt? a) Eris b) Haumea c) Makemake d) Ceres 14 / 30 14. Which spacecraft conducted the first soft landing on the far side of the Moon in 2019, deploying the Yutu-2 rover? a) Apollo 11 b) Chang'e 4 c) Chandrayaan-2 d) Luna 2 15 / 30 15. Which spacecraft was the first to directly measure the solar wind? a) Apollo 11 b) Voyager 1 c) Pioneer 10 d) Mariner 2 16 / 30 16. What was the approximate length of the tail of Comet Hale-Bopp during its peak brightness in 1997? a) 1 million kilometers b) 10 million kilometers c) 100 million kilometers d) 1 billion kilometers 17 / 30 17. What is the primary greenhouse gas in Earth's atmosphere? a) Carbon dioxide b) Methane c) Water vapor d) Nitrous oxide 18 / 30 18. Which moon of Jupiter is known for its smooth, icy surface with long cracks and streaks caused by tidal forces? a) Io b) Europa c) Ganymede d) Callisto 19 / 30 19. What is the name of the largest moon in the Solar System, which orbits the gas giant Jupiter and is larger than the planet Mercury? a) Titan b) Ganymede c) Io d) Europa 20 / 30 20. What is the approximate length of one day on Venus (one complete rotation)? a) 24 hours b) 58.6 Earth days c) 243 Earth days d) 365 Earth days 21 / 30 21. 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 22 / 30 22. Which space probe became the first human-made object to reach interstellar space? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 23 / 30 23. Where is the Asteroid Belt located in the Solar System? a) Between Earth and Mars b) Between Mars and Jupiter c) Between Jupiter and Saturn d) Between Saturn and Uranus 24 / 30 24. What is the phenomenon called where Mercury exhibits phases similar to the Moon and Venus? a) Lunar phases b) Solar phases c) Orbital phases d) Planetary phases 25 / 30 25. Which space telescope is set to succeed the Hubble Space Telescope and is designed to observe the universe in the infrared spectrum? a) Hubble Space Telescope b) James Webb Space Telescope c) Keck Observatory d) Chandra X-ray Observatory 26 / 30 26. What was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 27 / 30 27. What is the term for the process by which sediments are deposited in a new location? a) Erosion b) Weathering c) Deposition d) Lithification 28 / 30 28. What causes tidal forces? a) Gravitational pull from nearby stars b) Gravitational pull from the Moon and Sun c) Electromagnetic forces between celestial bodies d) Nuclear reactions within celestial bodies 29 / 30 29. 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 30 / 30 30. 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 Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Solar System MCQ PDF for Offline Study