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 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 2 / 30 2. Which moon of Mars is closer to the planet? a) Phobos b) Deimos c) Titan d) Ganymede 3 / 30 3. Which layer of the Earth's atmosphere contains most of the weather phenomena? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 4 / 30 4. What is the term for a meteoroid that originates from a comet or asteroid and travels through space? a) Meteorite b) Meteoroid c) Meteor d) Comet 5 / 30 5. How do solar storms, like coronal mass ejections, affect the occurrence of auroras? a) They reduce the frequency of auroras b) They cause auroras to occur only at the poles c) They enhance and expand the visibility of auroras d) They eliminate auroras completely 6 / 30 6. Which layer of the Earth's atmosphere contains the ozone layer? a) Mesosphere b) Stratosphere c) Troposphere d) Thermosphere 7 / 30 7. 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 8 / 30 8. What is the name of the moon of Saturn with a distinctive two-toned appearance, caused by impact cratering? a) Titan b) Enceladus c) Iapetus d) Hyperion 9 / 30 9. Which moon of Neptune is the largest and seventh-largest moon in the solar system? a) Nereid b) Proteus c) Triton d) Larissa 10 / 30 10. Which geological feature on Earth is the result of the collision between tectonic plates, leading to the formation of mountain ranges? a) Impact crater b) Rift valley c) Trench d) Fold mountain 11 / 30 11. Which moon of Saturn is known for its thick atmosphere and lakes of liquid methane and ethane on its surface? a) Titan b) Enceladus c) Mimas d) Rhea 12 / 30 12. What is the name of the valley network system on Mars that suggests past water erosion? a) Valles Marineris b) Elysium Mons c) Hellas Planitia d) Noctis Labyrinthus 13 / 30 13. What is the region called where the solar wind slows down and merges with the interstellar medium? a) Heliosphere b) Magnetosphere c) Termination Shock d) Photosphere 14 / 30 14. 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 15 / 30 15. 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 16 / 30 16. Which asteroid is known for its large impact crater named Rheasilvia Basin? a) Vesta b) Ceres c) Pallas d) Hygiea 17 / 30 17. What is the name of the largest moon of Saturn? a) Enceladus b) Titan c) Mimas d) Rhea 18 / 30 18. What is the name of the phenomenon where a planet or moon passes directly between a star and the observer, causing a temporary decrease in the star's brightness? a) Solar eclipse b) Lunar eclipse c) Transit d) Occultation 19 / 30 19. Which space probe was the first to visit the asteroid belt and to make direct observations of Jupiter? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 20 / 30 20. 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 21 / 30 21. Which comet fragmented and collided with Jupiter in 1994, producing a series of impact events observed by astronomers? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 22 / 30 22. What is the name of the process by which rocks are transformed into new types of rocks through heat and pressure? a) Erosion b) Weathering c) Deposition d) Metamorphism 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 spacecraft conducted the first soft landing on the far side of the Moon in 2019, deploying the Yutu-2 rover? a) Apollo 11 b) Chang'e 4 c) Chandrayaan-2 d) Luna 2 25 / 30 25. 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) 26 / 30 26. Which element, essential for life, has been detected in the form of methane on Mars? a) Oxygen b) Nitrogen c) Carbon d) Hydrogen 27 / 30 27. 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 28 / 30 28. 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 29 / 30 29. What is the phenomenon called where Mercury exhibits phases similar to the Moon and Venus? a) Lunar phases b) Solar phases c) Orbital phases d) Planetary phases 30 / 30 30. 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 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