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 Mars rover is equipped with a drill to collect samples of Martian rocks and soil for analysis? a) New Horizons b) Juno c) Curiosity d) Opportunity 2 / 30 2. What is the estimated total number of icy bodies in the Oort Cloud? a) Thousands b) Millions c) Billions d) Trillions 3 / 30 3. What is the name of the comet that made a close approach to Earth in 1997, becoming one of the brightest comets of the 20th century? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 4 / 30 4. 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 5 / 30 5. 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 6 / 30 6. What phenomenon on Venus is characterized by a slow retrograde rotation, meaning it rotates in the opposite direction of most planets in the Solar System? a) Axial tilt b) Retrograde rotation c) Synodic period d) Orbital resonance 7 / 30 7. Which moon of Neptune is known for its irregular shape and heavily cratered surface? a) Proteus b) Triton c) Nereid d) Larissa 8 / 30 8. Which geological feature on Earth is the result of the collision between tectonic plates, leading to the formation of mountain ranges? a) Impact crater b) Rift valley c) Trench d) Fold mountain 9 / 30 9. 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 10 / 30 10. What is the name of a meteoroid that survives its passage through Earth's atmosphere and strikes the ground? a) Meteorite b) Meteoroid c) Meteor d) Comet 11 / 30 11. Which dwarf planet is considered the largest object in the Kuiper Belt? a) Pluto b) Haumea c) Eris d) Makemake 12 / 30 12. Which space probe is currently studying the polar regions and atmosphere of Mars, searching for signs of past or present life? a) New Horizons b) Juno c) Curiosity d) Perseverance 13 / 30 13. What is the name of the elongated extension of Earth's magnetosphere on the side opposite the Sun? a) Magnetotail b) Magnetopause c) Plasmasphere d) Van Allen Belts 14 / 30 14. Which gas giant planet exhibits alternating bands of clouds in its atmosphere, known as belts and zones, caused by powerful atmospheric jet streams? a) Jupiter b) Saturn c) Neptune d) Uranus 15 / 30 15. Which moon of Saturn is believed to have a subsurface ocean beneath its icy crust? a) Enceladus b) Titan c) Mimas d) Dione 16 / 30 16. What is the approximate distance from the Sun to the inner edge of the Asteroid Belt? a) 0.5 AU b) 2 AU c) 3 AU d) 4 AU 17 / 30 17. 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 18 / 30 18. What is the name of the intense radiation belt surrounding Jupiter? a) Van Allen Belts b) Kuiper Belt c) Oort Cloud d) Magnetosphere 19 / 30 19. Which planet in the Solar System has a thick atmosphere composed mainly of carbon dioxide, with surface pressures about 92 times that of Earth? a) Jupiter b) Saturn c) Mars d) Venus 20 / 30 20. Which comet is often referred to as "the Great Comet of 1910" due to its spectacular appearance and close approach to Earth? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 21 / 30 21. 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) 22 / 30 22. Which moon of Jupiter has a thin atmosphere composed mostly of carbon dioxide, with surface pressures less than one-thousandth of Earth's? a) Io b) Europa c) Ganymede d) Callisto 23 / 30 23. What is the lithosphere? a) The layer of the Earth's atmosphere where weather occurs b) The layer of the Earth's crust and upper mantle c) The layer of the Earth's core composed of molten iron and nickel d) The layer of the Earth's mantle beneath the lithosphere 24 / 30 24. What is the primary greenhouse gas in Earth's atmosphere? a) Carbon dioxide b) Methane c) Water vapor d) Nitrous oxide 25 / 30 25. What is the name of the dark, circular feature on the Moon's surface, formed by a volcanic eruption or impact? a) Crater b) Rille c) Mare d) Highland 26 / 30 26. What is the name of the moon of Neptune with a highly eccentric orbit and retrograde motion? a) Nereid b) Triton c) Proteus d) Larissa 27 / 30 27. Which asteroid is known for its elongated shape and rapid rotation, resembling a spinning top? a) Ryugu b) Bennu c) Itokawa d) Mathilde 28 / 30 28. 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 29 / 30 29. What is the name of the prominent storm observed on Neptune's atmosphere that disappeared after a few years? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Scooter 30 / 30 30. Which of the following is NOT a type of plate boundary? a) Divergent boundary b) Transform boundary c) Convergent boundary d) Isolated boundary 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