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. 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 2 / 30 2. 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 3 / 30 3. What is the name of the moon of Makemake discovered in 2015? a) S/2015 (136472) 1 b) Weywot c) MK2 d) Hiiaka 4 / 30 4. Which space probe became the first human-made object to reach interstellar space? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 5 / 30 5. 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 6 / 30 6. Which space probe successfully explored the dwarf planet Ceres in the asteroid belt, providing valuable data on its surface composition and features? a) New Horizons b) Juno c) Dawn d) Rosetta 7 / 30 7. Which moon of Neptune is the largest and seventh-largest moon in the solar system? a) Nereid b) Proteus c) Triton d) Larissa 8 / 30 8. What is the name of the phenomenon where tidal forces cause a celestial body to become elongated along the axis pointing toward the attracting body? a) Tidal heating b) Tidal friction c) Tidal stretching d) Tidal locking 9 / 30 9. Which moon of Saturn is known for its active geysers erupting from its south pole, indicating the presence of a subsurface ocean? a) Titan b) Enceladus c) Miranda d) Triton 10 / 30 10. 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 11 / 30 11. 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 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. 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 14 / 30 14. What characteristic makes Mercury unique among the terrestrial planets? a) Its large number of moons b) Its extremely tilted axis c) Its large iron core relative to its size d) Its thick atmosphere 15 / 30 15. 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 16 / 30 16. Which canyon system on Mars is the largest in the solar system? a) Grand Canyon b) Valles Marineris c) Great Rift Valley d) Canyonlands National Park 17 / 30 17. What is the name of the robotic rover currently exploring the surface of Mars? a) Voyager b) Curiosity c) Opportunity d) Spirit 18 / 30 18. 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 19 / 30 19. Which moon of Jupiter is the largest moon in the Solar System, even larger than the planet Mercury? a) Io b) Europa c) Ganymede d) Callisto 20 / 30 20. 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 21 / 30 21. What is the Earth's mantle primarily composed of? a) Iron and nickel b) Silicon and oxygen c) Calcium carbonate d) Water and ice 22 / 30 22. What is the phenomenon called when the solar wind compresses Earth's magnetosphere on the side facing the Sun? a) Magnetotail b) Bow Shock c) Magnetopause d) Solar Flare 23 / 30 23. Which layer of the Earth's atmosphere is closest to the planet's surface? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 24 / 30 24. Which meteorite is composed mainly of iron and nickel and often exhibits a characteristic Widmanstätten pattern upon etching? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 25 / 30 25. What is the name of the large impact crater on the Moon's surface that contains the Sea of Tranquility, where Apollo 11 landed? a) Tycho b) Clavius c) Mare Tranquillitatis d) Copernicus 26 / 30 26. What is the term for the phase of the Moon when only a small portion of its surface is illuminated, appearing as a thin crescent? a) Full Moon b) New Moon c) Waning Gibbous d) Waxing Crescent 27 / 30 27. What is the layer of soil that contains organic matter, microorganisms, and plant roots, and is vital for supporting plant growth? a) Subsoil b) Bedrock c) Topsoil d) Regolith 28 / 30 28. What is the name of the tallest mountain on the Moon, located near the southwestern edge of the Imbrium Basin? a) Mount Everest b) Mons Huygens c) Mount Hadley d) Mons Mons 29 / 30 29. What is the name of a small rocky or metallic body in space that enters Earth's atmosphere and produces a streak of light? a) Meteorite b) Meteoroid c) Meteor d) Comet 30 / 30 30. Which type of tail of a comet is composed of ionized gas and is pushed away from the Sun by the solar wind? a) Dust tail b) Ion tail c) Plasma tail d) Gas tail 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