Solar System Online Test

1. What is the name of the largest moon of Saturn?

2. What is the name of the spacecraft that discovered geysers erupting from beneath the icy surface of Saturn's moon, Enceladus?

3. Which moon of Jupiter is known for its highly active surface geology, with extensive cryovolcanism and icy geysers?

4. Which spacecraft conducted a flyby of Pluto and explored the Kuiper Belt object Arrokoth?

5. What is the layer of soil that contains organic matter, microorganisms, and plant roots, and is vital for supporting plant growth?

6. Where is the Asteroid Belt located in the Solar System?

7. What is the estimated total number of icy bodies in the Oort Cloud?

8. How many major rings does Saturn's ring system consist of?

9. Which of the following is NOT a type of plate boundary?

10. What is gravitational interaction?

11. Which comet is the most famous and well-known, with a regular period of approximately 76 years?

12. Where is the Oort Cloud located in relation to the Solar System?

13. 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?

14. What is the name of the region in the Solar System where long-period comets originate, extending to the outermost reaches of the Sun's gravitational influence?

15. What is the average surface temperature of Pluto?

16. What is the name of the largest meteorite ever found on Earth?

17. What is the name of the dark, circular feature on the Moon's surface, formed by a volcanic eruption or impact?

18. What is the name of the process by which rocks are broken down into smaller fragments through physical, chemical, or biological means?

19. Which gas giant planet exhibits alternating bands of clouds in its atmosphere, known as belts and zones, caused by powerful atmospheric jet streams?

20. Which mission is currently orbiting Mercury to study its surface and composition?

21. What is the name of the comet that made a close approach to Earth in 1997, becoming one of the brightest comets of the 20th century?

22. Which layer of the Earth's atmosphere contains the ozone layer?

23. 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?

24. How does the solar wind affect Earth's magnetosphere?

25. Which spacecraft provided close-up images of Jupiter and its moons in the 1990s?

26. What is the most prominent feature of Neptune's atmosphere?

27. Which moon of Jupiter is the most heavily cratered body in the Solar System, indicating its ancient surface?

28. What is the solar wind?

29. Which moon of Uranus is the smallest and most irregularly shaped, with a surface marked by numerous grooves and cliffs?

30. Which of the following is NOT a type of rock formed by the process of weathering and erosion?