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 highly eccentric orbit that takes it far beyond the orbit of Pluto? a) Eris b) Haumea c) Makemake d) Ceres 2 / 30 2. 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 3 / 30 3. 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 4 / 30 4. What is the estimated total number of icy bodies in the Oort Cloud? a) Thousands b) Millions c) Billions d) Trillions 5 / 30 5. What is the name of the tallest mountain on Mars, often compared to Mount Everest on Earth? a) Olympus Mons b) Mount Kilimanjaro c) Mount Sharp d) Mount Vesuvius 6 / 30 6. Which biome is characterized by long, cold winters, short summers, permafrost, and low-growing vegetation such as mosses and lichens? a) Taiga (Boreal Forest) b) Tundra c) Desert d) Grassland (Prairie) 7 / 30 7. 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 8 / 30 8. How does solar wind contribute to the creation of auroras on Earth? a) By heating the Earth's surface b) By interacting with Earth's magnetic field and atmosphere c) By increasing Earth's gravitational pull d) By blocking sunlight 9 / 30 9. 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 10 / 30 10. 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 11 / 30 11. 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 12 / 30 12. What geological feature on Mars is believed to be the largest volcano in the Solar System by volume and is named after the Roman god of war? a) Olympus Mons b) Tharsis Montes c) Elysium Mons d) Pavonis Mons 13 / 30 13. Which moon of Neptune is thought to be a captured Kuiper Belt object, based on its retrograde orbit and unique composition? a) Titan b) Enceladus c) Miranda d) Triton 14 / 30 14. Which dwarf planet is considered the largest object in the Kuiper Belt? a) Pluto b) Haumea c) Eris d) Makemake 15 / 30 15. What is the name of the moon of Pluto discovered in 2011 and named after the three-headed dog that guards the entrance to the underworld in Greek mythology? a) Charon b) Styx c) Nix d) Kerberos 16 / 30 16. Which moon of Neptune is the largest and most notable, with a retrograde orbit and active geysers spewing nitrogen gas and icy particles? a) Titan b) Enceladus c) Miranda d) Triton 17 / 30 17. Which gas giant planet has the fastest winds in the Solar System, with wind speeds reaching up to 2,100 kilometers per hour (about 1,305 miles per hour)? a) Jupiter b) Saturn c) Neptune d) Uranus 18 / 30 18. What is the primary component of Jupiter's atmosphere? a) Oxygen b) Nitrogen c) Helium d) Carbon dioxide 19 / 30 19. Which process is responsible for the movement of tectonic plates? a) Erosion b) Subduction c) Convection currents in the mantle d) Volcanic eruptions 20 / 30 20. Which moon of Saturn is known for its dense atmosphere, which is primarily composed of nitrogen and methane, and its hydrocarbon lakes and seas on its surface? a) Titan b) Enceladus c) Mimas d) Iapetus 21 / 30 21. Which of the following is NOT a type of plate boundary? a) Divergent boundary b) Transform boundary c) Convergent boundary d) Isolated boundary 22 / 30 22. Which spacecraft, launched by NASA in 2006, conducted a historic flyby of Pluto in 2015, providing the first detailed images of the dwarf planet and its moons? a) Voyager 1 b) New Horizons c) Juno d) Cassini 23 / 30 23. Which space probe was the first to fly by Jupiter, Saturn, Uranus, and Neptune, providing detailed data on these gas giants and their moons? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 24 / 30 24. 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 25 / 30 25. What is the primary composition of Mercury's surface? a) Ice and water b) Rocky and metallic materials c) Volcanic ash and basalt d) Sand and organic compounds 26 / 30 26. What is the primary composition of objects found in the Oort Cloud? a) Rock and metal b) Ice and rock c) Gas and dust d) Hydrogen and helium 27 / 30 27. What is the primary component of Neptune's atmosphere? a) Nitrogen b) Hydrogen c) Methane d) Helium 28 / 30 28. What is the name of the intense radiation belt surrounding Jupiter? a) Van Allen Belts b) Kuiper Belt c) Oort Cloud d) Magnetosphere 29 / 30 29. What is the name of the meteorite that produced the largest observed meteor airburst event in recorded history? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 30 / 30 30. Which celestial body exhibits significant tidal heating, resulting in geologically active features such as cryovolcanoes? a) Earth b) Mars c) Io (moon of Jupiter) d) Triton (moon of Neptune) 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