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Solar System Studies — MCQs

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1. Which planet is known as the “Red Planet”?





2. Which planet has the largest number of moons in the Solar System?





3. The asteroid belt lies between which two planets?





4. Which planet has the fastest rotation period?





5. Which is the largest volcano in the Solar System?





6. The Great Red Spot is found on which planet?





7. Which planet is tilted on its side at about 98 degrees?





8. The smallest planet in the Solar System is:





9. Which planet has the longest day compared to its year?





10. Which celestial body is classified as a dwarf planet in the asteroid belt?





11. The Kuiper Belt is located beyond which planet?





12. Which planet has the most prominent ring system?





13. The largest moon in the Solar System is:





14. Which planet is closest to the Sun?





15. Which planet has the highest surface temperature?





16. Which is the densest planet in the Solar System?





17. The heliosphere is created by:





18. The Oort Cloud is believed to be the source of:





19. Which planet rotates in a retrograde direction?





20. Which moon has lakes of liquid methane and ethane?





21. The planet with the strongest magnetic field is:





22. Which spacecraft first visited Pluto?





23. Which planet is known as Earth’s “twin”?





24. The only planet that supports liquid water on the surface is:





25. Which dwarf planet is known for its heart-shaped region on its surface?





26. Which moon is volcanically the most active in the Solar System?





27. Which planet has the slowest orbital period around the Sun?





28. Which planet has the shortest year?





29. The asteroid that caused the extinction of dinosaurs struck near:





30. Which spacecraft studied Saturn and its rings in detail?





31. Which moon has a subsurface ocean beneath its icy crust?





32. Which planet’s day is almost the same length as Earth’s?





33. Which comet is famous for its appearance every 76 years?





34. Which gas dominates the atmosphere of Mars?





35. The Sun’s outermost layer is called:





36. Which planet is known as the “morning star” and “evening star”?





37. Which spacecraft was the first to leave the Solar System?





38. Which planet has the highest wind speeds in the Solar System?





39. Which moon orbits in the opposite direction to its planet’s rotation?





40. The largest dwarf planet in the Solar System is:





41. Which planet is sometimes called the “ice giant”?





42. The region of space dominated by the Sun’s gravity is called:





43. Which planet has the highest mountain in the Solar System?





44. Which spacecraft carried the “Golden Record” for communication with extraterrestrials?





45. Which moon is sometimes called the “Death Star Moon” because of its crater?





46. Which planet has the slowest rotation on its axis?





47. Which moon of Saturn is known for geysers ejecting water vapor?





48. Which is the hottest planet in the Solar System?





49. Which planet has the largest storm system in the Solar System?





50. Which planet has rings besides Saturn?





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