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 moon of Jupiter is the largest moon in the Solar System, even larger than the planet Mercury? a) Io b) Europa c) Ganymede d) Callisto 2 / 30 2. 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 3 / 30 3. What is the term for a meteoroid that originates from a comet or asteroid and travels through space? a) Meteorite b) Meteoroid c) Meteor d) Comet 4 / 30 4. What is the most notable feature of Uranus's atmosphere? a) Giant red spot b) Hexagonal storm c) Massive hurricane d) Strong ammonia odor 5 / 30 5. What percentage of Earth's atmosphere is composed of nitrogen? a) Approximately 21% b) Approximately 50% c) Approximately 78% d) Approximately 90% 6 / 30 6. 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 7 / 30 7. What geological feature on Earth is formed by the bending or buckling of rock layers under compressional stress, leading to the uplift of mountain ranges? a) Impact crater b) Rift valley c) Trench d) Fold mountain 8 / 30 8. What is the process by which plants and animals naturally adapt to their environment over time? a) Evolution b) Photosynthesis c) Transpiration d) Respiration 9 / 30 9. What is the name of the massive, swirling storm system observed at Neptune's equator? a) Neptune's Equatorial Storm b) Neptune's Great Dark Spot c) Neptune's Equatorial Vortex d) Neptune's South Polar Vortex 10 / 30 10. 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 11 / 30 11. What is the name of the largest moon of Uranus? a) Oberon b) Miranda c) Titania d) Umbriel 12 / 30 12. What is the name of the group of four large moons of Jupiter discovered by Galileo? a) Galilean Moons b) Jovian Moons c) Olympian Moons d) Titan Moons 13 / 30 13. 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 14 / 30 14. Which spacecraft provided close-up images of Jupiter and its moons in the 1990s? a) Cassini b) Voyager c) Galileo d) New Horizons 15 / 30 15. 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 16 / 30 16. What is the term for the process by which sediments are deposited in a new location? a) Erosion b) Weathering c) Deposition d) Lithification 17 / 30 17. Which moon of Jupiter is known for its highly active surface geology, with extensive cryovolcanism and icy geysers? a) Ganymede b) Europa c) Io d) Callisto 18 / 30 18. 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 19 / 30 19. What is the name of the largest and brightest ring of Uranus? a) Epsilon Ring b) Delta Ring c) Alpha Ring d) Beta Ring 20 / 30 20. 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 21 / 30 21. What is the name of the moon of Jupiter with a subsurface ocean that may harbor conditions suitable for life? a) Europa b) Ganymede c) Callisto d) Io 22 / 30 22. What is the name of the largest impact basin on Mars, covering a vast region of the planet's southern hemisphere? a) Hellas Planitia b) Valles Marineris c) Utopia Planitia d) Argyre Planitia 23 / 30 23. How many rings does Uranus have? a) 5 b) 9 c) 13 d) 27 24 / 30 24. 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) 25 / 30 25. What is the primary component of Venus's atmosphere? a) Nitrogen b) Oxygen c) Carbon dioxide d) Methane 26 / 30 26. How many major rings does Saturn's ring system consist of? a) 2 b) 5 c) 7 d) 9 27 / 30 27. Which celestial body exhibits significant tidal forces from both Jupiter and Saturn, resulting in its elongated shape and active cryovolcanism? a) Io b) Europa c) Enceladus d) Titan 28 / 30 28. What is the primary component of Eris's surface? a) Water ice b) Methane ice c) Nitrogen ice d) Ammonia ice 29 / 30 29. What is the name of the moon of Haumea that orbits within its elongated shape? a) Hi'iaka b) Namaka c) Mo'o d) Pele 30 / 30 30. Which spacecraft provided the first close-up images and data of Uranus and its moons? a) Voyager 1 b) Voyager 2 c) Cassini d) New Horizons 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