Solar System Online Test

1. What is the largest moon of Pluto?

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

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

4. What is the name of the large, high-altitude vortex observed at Venus' south pole?

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

6. Which dwarf planet was the first to be discovered beyond Pluto's orbit in the Kuiper Belt?

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

8. What is the term for a meteoroid that originates from a comet or asteroid and travels through space?

9. What was the last appearance of Halley's Comet before its most recent return in 1986?

10. What is the primary composition of Mercury's surface?

11. What is the name of the region around Earth where charged particles are trapped by the planet's magnetic field?

12. Which Apollo mission was the first to include a lunar rover, allowing astronauts to explore a larger area of the Moon's surface?

13. What are the primary components of the solar wind?

14. Which space probe was the first to visit the asteroid belt and to make direct observations of Jupiter?

15. Which geological feature on Earth is the result of the collision between tectonic plates, leading to the formation of mountain ranges?

16. What is the term for the process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight?

17. What was the approximate length of the tail of Comet Hale-Bopp during its peak brightness in 1997?

18. During which solar event are auroras most likely to be observed?

19. Which Mars rover recently completed its mission, having operated on the Martian surface for over 15 years?

20. What is the process by which plants and animals naturally adapt to their environment over time?

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

22. What is the process by which water vapor changes into liquid water?

23. What is the name of the valley network system on Mars that suggests past water erosion?

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

25. How does solar wind contribute to the creation of auroras on Earth?

26. Which elements in Earth's atmosphere are responsible for the green and red colors in auroras?

27. What is the region called where the solar wind slows down and merges with the interstellar medium?

28. Which biome is characterized by long, cold winters, short summers, permafrost, and low-growing vegetation such as mosses and lichens?

29. What is the name of the moon of Haumea that orbits within its elongated shape?

30. What is the name of the meteorite that produced the largest observed meteor airburst event in recorded history?