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 of the following is NOT a greenhouse gas? a) Carbon dioxide b) Methane c) Nitrogen d) Water vapor 2 / 30 2. 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 3 / 30 3. 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 4 / 30 4. Which space probe was the first to visit Jupiter and later became the first human-made object to leave the Solar System? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 5 / 30 5. 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 6 / 30 6. What is the heliosphere? a) The Sun's core b) The region around the Sun dominated by the solar wind c) A layer within the Sun d) A planet orbiting close to the Sun 7 / 30 7. Which moon of Mars is closer to the planet? a) Phobos b) Deimos c) Titan d) Ganymede 8 / 30 8. Which region of a comet's structure is primarily composed of water vapor, carbon dioxide, and other volatile substances? a) Nucleus b) Coma c) Tail d) Ionosphere 9 / 30 9. Which space probe conducted the first flyby of Saturn and provided detailed images of its rings and moons? a) Voyager 1 b) Voyager 2 c) Pioneer 10 d) Pioneer 11 10 / 30 10. 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 11 / 30 11. 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 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. What is the name of the volcanic moon of Jupiter known for its intense volcanic activity? a) Europa b) Callisto c) Ganymede d) Io 14 / 30 14. 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 15 / 30 15. What is the state of Mercury's atmosphere? a) Thick and cloudy b) Thin and composed mainly of oxygen c) Almost nonexistent and composed of trace elements d) Similar to Earth's atmosphere 16 / 30 16. Which gas giant planet exhibits alternating bands of clouds in its atmosphere, known as belts and zones, caused by powerful atmospheric jet streams? a) Jupiter b) Saturn c) Neptune d) Uranus 17 / 30 17. What is the name of the region on Pluto characterized by vast plains of nitrogen ice? a) Sputnik Planitia b) Tombaugh Regio c) Lowell Regio d) Cthulhu Regio 18 / 30 18. Which moon of Saturn exhibits a prominent equatorial ridge that encircles its entire circumference, giving it a distinct walnut-like shape? a) Titan b) Enceladus c) Mimas d) Iapetus 19 / 30 19. Which dwarf planet is considered the largest object in the Kuiper Belt? a) Pluto b) Haumea c) Eris d) Makemake 20 / 30 20. Which moon of Jupiter is the largest in the solar system? a) Europa b) Ganymede c) Io d) Callisto 21 / 30 21. What is the name of the moon of Jupiter with a subsurface ocean that may harbor conditions suitable for life? a) Europa b) Ganymede c) Callisto d) Io 22 / 30 22. 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 23 / 30 23. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it? a) New Horizons b) Juno c) Curiosity d) Opportunity 24 / 30 24. 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 25 / 30 25. 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 26 / 30 26. Which of the following is NOT a type of rock formed by the process of weathering and erosion? a) Sedimentary rock b) Igneous rock c) Metamorphic rock d) None of the above 27 / 30 27. 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 28 / 30 28. According to Kepler's first law of planetary motion, what shape do planetary orbits trace around the Sun? a) Circular b) Elliptical c) Parabolic d) Hyperbolic 29 / 30 29. 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 30 / 30 30. What is the name of the vast, heart-shaped region observed on Pluto's surface, which is informally named after the famous Disney character? a) Pluto's Heart b) Pluto's Valentine c) Pluto's Love d) Pluto's Tombaugh Regio 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