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 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 2 / 30 2. 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 3 / 30 3. 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 4 / 30 4. 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 5 / 30 5. What geological feature on Earth is formed by the stretching and thinning of the crust, leading to the sinking of blocks of land between parallel faults? a) Impact crater b) Rift valley c) Trench d) Fold mountain 6 / 30 6. Which moon of Uranus is unique for its extreme axial tilt, causing it to essentially orbit the planet on its side? a) Miranda b) Ariel c) Oberon d) Titania 7 / 30 7. Which moon of Jupiter is known for its smooth, icy surface with long cracks and streaks caused by tidal forces? a) Io b) Europa c) Ganymede d) Callisto 8 / 30 8. 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 9 / 30 9. What is the primary component of Eris's surface? a) Water ice b) Methane ice c) Nitrogen ice d) Ammonia ice 10 / 30 10. 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 11 / 30 11. Which ground-based telescope is located in Hawaii and is one of the world's premier observatories for optical and infrared astronomy? a) Hubble Space Telescope b) James Webb Space Telescope c) Keck Observatory d) Chandra X-ray Observatory 12 / 30 12. Which moon of Mars is closer to the planet? a) Phobos b) Deimos c) Titan d) Ganymede 13 / 30 13. What is the name of the moon of Pluto discovered in 2005 and named after the ferryman of the underworld in Greek mythology? a) Charon b) Styx c) Nix d) Kerberos 14 / 30 14. Which asteroid is the target of the Hayabusa2 mission, which aimed to return a sample to Earth? a) Ryugu b) Bennu c) Itokawa d) Mathilde 15 / 30 15. Which moon of Jupiter is thought to have a subsurface ocean beneath its icy crust, similar to Europa, but with a greater depth and complexity? a) Io b) Europa c) Ganymede d) Callisto 16 / 30 16. 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 17 / 30 17. Which space probe conducted flybys of Jupiter and Saturn before embarking on a trajectory to leave the Solar System in a different direction from Voyager 1? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 18 / 30 18. Which Mars rover was launched in 2011 and has been exploring Gale Crater since its landing in 2012? a) New Horizons b) Juno c) Curiosity d) Opportunity 19 / 30 19. What is the name of the group of four large moons of Jupiter discovered by Galileo? a) Galilean Moons b) Jovian Moons c) Olympian Moons d) Titan Moons 20 / 30 20. 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 21 / 30 21. What is the process by which plants and animals naturally adapt to their environment over time? a) Evolution b) Photosynthesis c) Transpiration d) Respiration 22 / 30 22. 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 23 / 30 23. Which asteroid is known for its elongated shape and rapid rotation, resembling a spinning top? a) Ryugu b) Bennu c) Itokawa d) Mathilde 24 / 30 24. Which type of comets are believed to originate from the Oort Cloud? a) Short-period comets b) Long-period comets c) Jupiter-family comets d) Halley-type comets 25 / 30 25. Which moon of Neptune is known for its retrograde orbit, meaning it orbits the planet in the opposite direction of Neptune's rotation? a) Triton b) Nereid c) Proteus d) Larissa 26 / 30 26. What is the average surface temperature of Pluto? a) -200°C (-328°F) b) -100°C (-148°F) c) 0°C (32°F) d) 100°C (212°F) 27 / 30 27. What are the high-altitude clouds on Venus primarily composed of? a) Water vapor b) Sulfuric acid c) Methane d) Ammonia 28 / 30 28. Which space probe carried a golden record containing sounds and images of Earth, intended as a message to potential extraterrestrial civilizations? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 29 / 30 29. 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 30 / 30 30. What percentage of Earth's atmosphere is composed of nitrogen? a) Approximately 21% b) Approximately 50% c) Approximately 78% d) Approximately 90% 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