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 region beyond the orbit of Neptune where a vast collection of icy bodies, including Pluto, reside? a) Oort Cloud b) Kuiper Belt c) Asteroid Belt d) Scattered Disc 2 / 30 2. What is the name of the giant storm system observed on Neptune? a) Great White Spot b) Great Blue Spot c) Great Green Spot d) Great Dark Spot 3 / 30 3. What is the most prominent feature of Neptune's atmosphere? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Polar vortex 4 / 30 4. What is the name of Kepler's second law of planetary motion? a) Law of Inertia b) Law of Conservation of Angular Momentum c) Law of Equal Areas d) Law of Gravitation 5 / 30 5. 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 6 / 30 6. 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 7 / 30 7. Which element, essential for life, has been detected in the form of methane on Mars? a) Oxygen b) Nitrogen c) Carbon d) Hydrogen 8 / 30 8. Which space probe is currently studying Jupiter's atmosphere, magnetic field, and composition? a) New Horizons b) Juno c) Curiosity d) Opportunity 9 / 30 9. Which comet fragmented and collided with Jupiter in 1994, producing a series of impact events observed by astronomers? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 10 / 30 10. Which asteroid is the third-largest object in the Asteroid Belt? a) Vesta b) Ceres c) Pallas d) Hygiea 11 / 30 11. Which moon of Uranus is the smallest and most irregularly shaped, with a surface marked by numerous grooves and cliffs? a) Titan b) Enceladus c) Miranda d) Triton 12 / 30 12. What is the biosphere? a) The layer of the Earth's atmosphere where living organisms exist b) The rocky outer layer of the Earth c) The layer of the Earth's mantle containing molten rock d) The zone on Earth where life exists, including land, water, and air 13 / 30 13. What was the last appearance of Halley's Comet before its most recent return in 1986? a) 1910 b) 1972 c) 1986 d) 1997 14 / 30 14. Which moon of Jupiter has the highest density among the Galilean moons, indicating a significant amount of rocky material in its composition? a) Io b) Europa c) Ganymede d) Callisto 15 / 30 15. What is the term for the process by which sediments are deposited in a new location? a) Erosion b) Weathering c) Deposition d) Lithification 16 / 30 16. 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 17 / 30 17. 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 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. Which dwarf planet is notable for its elongated shape and rapid rotation? a) Eris b) Haumea c) Makemake d) Ceres 20 / 30 20. 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 21 / 30 21. What is the name of the large impact crater on the Moon's surface that contains the Sea of Tranquility, where Apollo 11 landed? a) Tycho b) Clavius c) Mare Tranquillitatis d) Copernicus 22 / 30 22. Which space probe conducted the first flyby of Saturn and provided detailed images of its rings and moons? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 23 / 30 23. During which solar event are auroras most likely to be observed? a) Solar eclipse b) Lunar eclipse c) Solar flare d) New moon 24 / 30 24. Which space probe is currently studying the internal structure and seismic activity of Mars, aiming to understand its geological history? a) New Horizons b) Juno c) InSight d) Perseverance 25 / 30 25. 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 26 / 30 26. How does the atmospheric pressure at the surface of Venus compare to Earth's? a) It is much lower b) It is slightly lower c) It is about the same d) It is much higher 27 / 30 27. 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 28 / 30 28. Which spacecraft was the first to visit Mercury? a) Voyager 1 b) Pioneer 10 c) Mariner 10 d) Galileo 29 / 30 29. 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 30 / 30 30. What is the name of the largest moon of Uranus? a) Oberon b) Miranda c) Titania d) Umbriel 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