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 spacecraft conducted a flyby of Pluto, providing the first close-up images and data of the dwarf planet? a) Voyager 1 b) Voyager 2 c) New Horizons d) Cassini 2 / 30 2. What is the name of the meteorite that is believed to have brought organic molecules and water to Earth, potentially contributing to the origin of life? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 3 / 30 3. 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 4 / 30 4. What is the name of the largest meteorite ever found on Earth? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 5 / 30 5. What is the primary component of Eris's surface? a) Water ice b) Methane ice c) Nitrogen ice d) Ammonia ice 6 / 30 6. Which feature is the largest impact crater on Mercury? a) Caloris Basin b) Hellas Basin c) Tycho Crater d) Mare Imbrium 7 / 30 7. Which moon of Saturn is the largest and most notable, with a thick atmosphere and lakes of liquid hydrocarbons on its surface? a) Titan b) Enceladus c) Miranda d) Triton 8 / 30 8. Which mission is currently orbiting Mercury to study its surface and composition? a) Cassini b) Juno c) MESSENGER d) New Horizons 9 / 30 9. What is the name of the valley network system on Mars that suggests past water erosion? a) Valles Marineris b) Elysium Mons c) Hellas Planitia d) Noctis Labyrinthus 10 / 30 10. Which moon of Jupiter is thought to have a subsurface ocean beneath its icy crust, potentially harboring conditions suitable for life? a) Io b) Europa c) Ganymede d) Callisto 11 / 30 11. How do solar storms, like coronal mass ejections, affect the occurrence of auroras? a) They reduce the frequency of auroras b) They cause auroras to occur only at the poles c) They enhance and expand the visibility of auroras d) They eliminate auroras completely 12 / 30 12. What is the name of the largest moon of Uranus? a) Oberon b) Miranda c) Titania d) Umbriel 13 / 30 13. Which of the following is NOT a type of rock formed by the process of weathering and erosion? a) Sedimentary rock b) Igneous rock c) Metamorphic rock d) None of the above 14 / 30 14. Which ground-based telescope is located in Chile and is designed to search for exoplanets using the transit method? a) Hubble Space Telescope b) James Webb Space Telescope c) Gran Telescopio Canarias (GTC) d) SPECULOOS 15 / 30 15. 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) 16 / 30 16. How many major rings does Saturn's ring system consist of? a) 2 b) 5 c) 7 d) 9 17 / 30 17. 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 18 / 30 18. What is the name of the asteroid belt object that was visited by the Japanese spacecraft Hayabusa2? a) Ryugu b) Bennu c) Itokawa d) Mathilde 19 / 30 19. 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 20 / 30 20. 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 21 / 30 21. Which element, essential for life, has been detected in the form of methane on Mars? a) Oxygen b) Nitrogen c) Carbon d) Hydrogen 22 / 30 22. What is the most prominent feature of Saturn? a) Its hexagonal-shaped storm b) Its prominent ring system c) Its massive size d) Its liquid metallic hydrogen layer 23 / 30 23. 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 24 / 30 24. Which effect of tidal forces is responsible for the gradual recession of the Moon from Earth and the lengthening of Earth's day? a) Tidal heating b) Tidal friction c) Tidal stretching d) Tidal locking 25 / 30 25. What is the name of the spacecraft that discovered geysers erupting from beneath the icy surface of Saturn's moon, Enceladus? a) Cassini b) New Horizons c) Juno d) Voyager 2 26 / 30 26. Which moon of Neptune is the largest and seventh-largest moon in the solar system? a) Nereid b) Proteus c) Triton d) Larissa 27 / 30 27. Which spacecraft conducted a flyby of Pluto and explored the Kuiper Belt object Arrokoth? a) Voyager 2 b) New Horizons c) Cassini d) Dawn 28 / 30 28. 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 29 / 30 29. What are substorms in the context of Earth's magnetosphere? a) Minor earthquakes caused by magnetic field changes b) Temporary disturbances in the magnetosphere that intensify auroras c) Sudden changes in weather patterns d) Localized solar flares 30 / 30 30. What is the name of the storm system observed at Saturn's south pole, which is similar to Jupiter's Great Red Spot but located at the pole? a) Saturn's Hexagon b) Saturn's South Polar Vortex c) Saturn's North Polar Vortex d) Saturn's Great Dark Spot 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