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 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 2 / 30 2. What is the primary greenhouse gas in Earth's atmosphere? a) Carbon dioxide b) Methane c) Water vapor d) Nitrous oxide 3 / 30 3. 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 4 / 30 4. What is the name of the asteroid belt object that was visited by the Dawn spacecraft in 2011? a) Vesta b) Ceres c) Pallas d) Hygiea 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 the spacecraft launched by the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) to study Mercury? a) Rosetta b) BepiColombo c) Dawn d) Akatsuki 7 / 30 7. What is the name of the volcanic moon of Jupiter known for its intense volcanic activity? a) Europa b) Callisto c) Ganymede d) Io 8 / 30 8. 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 9 / 30 9. Which comet is known for its bright appearance and greenish coma due to the presence of cyanogen and diatomic carbon? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 10 / 30 10. What is the potential significance of recurring slope lineae (RSL) observed on Mars? a) Evidence of ancient rivers b) Indication of active water flows c) Evidence of volcanic activity d) Indication of seismic activity 11 / 30 11. What is the primary cause of auroras on Earth? a) Reflection of sunlight off the poles b) Interaction between solar wind and Earth's magnetosphere c) Volcanic activity d) Oceanic tides 12 / 30 12. 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 13 / 30 13. What is the name of the persistent high-pressure region in Jupiter's atmosphere that is characterized by its swirling anticyclonic storm? a) Saturn's Hexagon b) Venus' Vortex c) Jupiter's Great Red Spot d) Mars' Dust Storm 14 / 30 14. Which moon of Saturn is thought to have subsurface oceans beneath its icy crust, similar to Europa and Enceladus? a) Titan b) Enceladus c) Miranda d) Triton 15 / 30 15. 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 16 / 30 16. What is the name of the region around Earth where charged particles are trapped by the planet's magnetic field? a) Magnetosphere b) Heliosphere c) Thermosphere d) Stratosphere 17 / 30 17. What geological feature on Mercury suggests it has contracted over time? a) Lava plains b) Scarps or cliffs c) Impact basins d) Volcanic vents 18 / 30 18. Which spacecraft was the first to visit Mercury? a) Voyager 1 b) Pioneer 10 c) Mariner 10 d) Galileo 19 / 30 19. What is the name of the dark, vortical storm system observed at Neptune's equator? a) Great Dark Spot b) Great Red Spot c) North Equatorial Belt d) South Equatorial Belt 20 / 30 20. Which surface feature on Venus is a vast, elevated region similar to continents on Earth? a) Valles Marineris b) Aphrodite Terra c) Olympus Mons d) Tharsis Rise 21 / 30 21. How many major rings does Saturn's ring system consist of? a) 2 b) 5 c) 7 d) 9 22 / 30 22. 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 23 / 30 23. 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 24 / 30 24. Which asteroid is the largest object in the Asteroid Belt? a) Vesta b) Ceres c) Pallas d) Hygiea 25 / 30 25. Which asteroid is known for its large impact crater named Rheasilvia Basin? a) Vesta b) Ceres c) Pallas d) Hygiea 26 / 30 26. Which phenomenon is caused by tidal forces and results in the slowing of a celestial body's rotation? a) Tidal heating b) Tidal friction c) Tidal stretching d) Tidal locking 27 / 30 27. 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 28 / 30 28. Which space telescope is operated by NASA and the European Space Agency (ESA) and has made significant contributions to our understanding of dark matter and dark energy? a) Hubble Space Telescope b) James Webb Space Telescope c) Keck Observatory d) Planck Space Observatory 29 / 30 29. Which space probe recently completed its mission by crashing into the surface of Comet 67P/Churyumov-Gerasimenko? a) New Horizons b) Juno c) Dawn d) Rosetta 30 / 30 30. Which biome is characterized by long, cold winters and short, cool summers, with coniferous trees as the dominant vegetation? a) Taiga (Boreal Forest) b) Temperate Deciduous Forest c) Grassland (Prairie) d) Tundra 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