Solar System Online Test

1. What is the name of the hexagonal cloud pattern observed at Saturn's north pole?

2. Which space probe was the first to fly by Jupiter and Saturn and provided close-up images of their moons, including Io's volcanic activity?

3. Which moon of Saturn is believed to have a subsurface ocean beneath its icy crust?

4. What is the name of the massive, swirling storm system observed at Neptune's equator?

5. What is the phenomenon called when the solar wind compresses Earth's magnetosphere on the side facing the Sun?

6. Which spacecraft was the first to directly measure the solar wind?

7. What is the largest gap in Saturn's rings, located between the A ring and the B ring?

8. Which asteroid is the largest object in the Asteroid Belt?

9. What is the primary component of Eris's surface?

10. Which moon of Saturn is known for its complex geological features, including cryovolcanoes, and the famous "tiger stripes" at its south pole?

11. What is the Earth's mantle primarily composed of?

12. Which comet is famous for its spectacular breakup into multiple fragments, which collided with Jupiter in 1994?

13. What is the name of the intense radiation belt surrounding Jupiter?

14. What is tidal locking?

15. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it?

16. Which moon of Saturn is known for its dense atmosphere, which is primarily composed of nitrogen and methane, and its hydrocarbon lakes and seas on its surface?

17. Which planet in the Solar System is known for its massive dust storms that can engulf the entire planet for months?

18. What is the name of a meteoroid that survives its passage through Earth's atmosphere and strikes the ground?

19. 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?

20. What is the name of the second-largest moon of Pluto?

21. What is the average surface temperature of Pluto?

22. Which space probe is currently studying the internal structure and seismic activity of Mars, aiming to understand its geological history?

23. Which moon of Jupiter exhibits a heavily cratered surface, indicating its ancient geological history and lack of significant geological activity?

24. Which dwarf planet is considered the largest object in the Kuiper Belt?

25. What is the central solid core of a comet called?

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

27. Which moon of Neptune is the largest and most notable, with a retrograde orbit and active geysers spewing nitrogen gas and icy particles?

28. What is the term for the gradual wearing away of the Earth's surface by natural processes such as wind, water, and ice?

29. What is gravitational interaction?

30. Which asteroid is the target of the Hayabusa2 mission, which aimed to return a sample to Earth?