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 dwarf planet is known for its reddish surface color, likely due to the presence of organic compounds? a) Eris b) Haumea c) Makemake d) Ceres 2 / 30 2. What is the name of the second-largest moon of Pluto? a) Styx b) Nix c) Kerberos d) Hydra 3 / 30 3. What type of rock is formed from the cooling and solidification of magma or lava? a) Sedimentary b) Metamorphic c) Igneous d) None of the above 4 / 30 4. What is the name of the iconic long-lasting storm on Jupiter? a) Great White Spot b) Great Blue Spot c) Great Green Spot d) Great Red Spot 5 / 30 5. 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 6 / 30 6. What is the largest moon of Pluto? a) Charon b) Styx c) Nix d) Kerberos 7 / 30 7. 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 8 / 30 8. What is the name of the spacecraft that successfully landed the Huygens probe on Saturn's largest moon, Titan, in 2005? a) Cassini b) New Horizons c) Juno d) Voyager 2 9 / 30 9. Which space probe conducted a flyby of Pluto in 2015, providing the first close-up images of the dwarf planet? a) New Horizons b) Juno c) Curiosity d) Opportunity 10 / 30 10. 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 11 / 30 11. 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 12 / 30 12. What is the solar wind? a) A stream of water particles from the Sun b) A flow of charged particles released from the Sun's atmosphere c) A type of solar radiation d) A gravitational wave from the Sun 13 / 30 13. 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 14 / 30 14. What is the largest gap in Saturn's rings, located between the A ring and the B ring? a) Encke Gap b) Cassini Division c) Keeler Gap d) Roche Division 15 / 30 15. Which layer of the Earth's atmosphere contains the ozone layer? a) Mesosphere b) Stratosphere c) Troposphere d) Thermosphere 16 / 30 16. 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 17 / 30 17. Which space probe provided the first close-up images of the asteroid Vesta and the dwarf planet Ceres in the asteroid belt? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Dawn 18 / 30 18. What is the name of the largest moon of Neptune? a) Triton b) Proteus c) Larissa d) Naiad 19 / 30 19. 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 20 / 30 20. What effect do tidal forces have on celestial bodies? a) They cause heating and melting of the surface b) They cause earthquakes and volcanic eruptions c) They cause the elongation and deformation of the body d) They cause the body to lose its atmosphere 21 / 30 21. 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 22 / 30 22. What is the name of the bright, elongated stream of gas and dust extending from the coma of a comet? a) Nucleus b) Coma c) Tail d) Ionosphere 23 / 30 23. What is the rotational period of Earth? a) Approximately 24 hours b) Approximately 365 days c) Approximately 27.3 days d) Approximately 29.5 days 24 / 30 24. Which moon of Jupiter was discovered by Galileo Galilei in 1610, making it one of the first objects observed in orbit around another planet? a) Io b) Europa c) Ganymede d) Callisto 25 / 30 25. 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 26 / 30 26. Which asteroid is the largest object in the Asteroid Belt? a) Vesta b) Ceres c) Pallas d) Hygiea 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 causes the extreme greenhouse effect on Venus? a) Thick atmosphere with high levels of carbon dioxide b) Rapid rotation of the planet c) Presence of water vapor d) Distance from the Sun 29 / 30 29. Which of the following is NOT a type of plate boundary? a) Divergent boundary b) Transform boundary c) Convergent boundary d) Isolated boundary 30 / 30 30. What is the most prominent feature of Neptune's atmosphere? a) Great Red Spot b) Hexagonal storm c) Great Dark Spot d) Polar vortex 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