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 approximate diameter of Jupiter's Great Red Spot? a) 10,000 kilometers (6,200 miles) b) 20,000 kilometers (12,400 miles) c) 30,000 kilometers (18,600 miles) d) 40,000 kilometers (24,800 miles) 2 / 30 2. What is the name of the largest volcano on Venus? a) Mauna Kea b) Olympus Mons c) Maxwell Montes d) Maat Mons 3 / 30 3. Which planet in the Solar System is known for its massive dust storms that can engulf the entire planet for months? a) Jupiter b) Saturn c) Mars d) Venus 4 / 30 4. What is the name of the large, high-altitude vortex observed at Venus' south pole? a) Saturn's Hexagon b) Venus' Vortex c) Venus' South Polar Vortex d) Venus' North Polar Vortex 5 / 30 5. What is the name of the largest known object in the asteroid belt between Mars and Jupiter? a) Eris b) Haumea c) Makemake d) Ceres 6 / 30 6. Which spacecraft was the first to directly measure the solar wind? a) Apollo 11 b) Voyager 1 c) Pioneer 10 d) Mariner 2 7 / 30 7. Which meteorite is known for containing abundant organic compounds and is believed to be a remnant of the early Solar System? a) Allende b) Hoba c) Canyon Diablo d) Tunguska 8 / 30 8. 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 9 / 30 9. 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 10 / 30 10. 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 11 / 30 11. Which of the following is NOT a type of plate boundary? a) Divergent boundary b) Transform boundary c) Convergent boundary d) Isolated boundary 12 / 30 12. 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 13 / 30 13. Which mission is currently orbiting Mercury to study its surface and composition? a) Cassini b) Juno c) MESSENGER d) New Horizons 14 / 30 14. What is the name of the massive, swirling storm system observed at Saturn's south pole? a) Saturn's Hexagon b) Venus' Vortex c) Saturn's North Polar Vortex d) Saturn's South Polar Vortex 15 / 30 15. 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 16 / 30 16. Which layer of the Earth's interior is divided into the outer and inner layers? a) Crust b) Mantle c) Core d) Lithosphere 17 / 30 17. What is the primary component of Jupiter's atmosphere? a) Oxygen b) Nitrogen c) Helium d) Carbon dioxide 18 / 30 18. Which gas is present in Pluto's thin atmosphere? a) Oxygen b) Nitrogen c) Carbon dioxide d) Methane 19 / 30 19. What is the primary component of Uranus's atmosphere? a) Hydrogen b) Helium c) Methane d) Ammonia 20 / 30 20. 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 21 / 30 21. What is the name of the largest impact crater on the Moon, located on the lunar near side and visible from Earth? a) Tycho b) Copernicus c) Mare Orientale d) South Pole–Aitken Basin 22 / 30 22. 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 23 / 30 23. 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 24 / 30 24. Which comet is the most famous and well-known, with a regular period of approximately 76 years? a) Halley's Comet b) Comet Hale-Bopp c) Comet Shoemaker-Levy 9 d) Comet Hyakutake 25 / 30 25. 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 26 / 30 26. What is the name of the moon of Makemake discovered in 2015? a) S/2015 (136472) 1 b) Weywot c) MK2 d) Hiiaka 27 / 30 27. 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 28 / 30 28. What is axial tilt in planetary astronomy? a) The distance between a planet and the Sun b) The angle between a planet's orbit and the plane of its equator c) The time it takes for a planet to complete one orbit around the Sun d) The angle between a planet's axis of rotation and the perpendicular to its orbital plane 29 / 30 29. Which asteroid is the target of the NASA OSIRIS-REx mission, which aims to return a sample to Earth? a) Ryugu b) Bennu c) Itokawa d) Mathilde 30 / 30 30. 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 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