Solar System Online Test

1. Which spacecraft, launched by NASA in 2006, conducted a historic flyby of Pluto in 2015, providing the first detailed images of the dwarf planet and its moons?

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

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

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

5. Which dwarf planet is known for its highly eccentric orbit that takes it far beyond the orbit of Pluto?

6. Which moon of Uranus is known for its chaotic, fractured surface, possibly due to past impacts or internal heating?

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

8. What geological feature on Earth is formed by the stretching and thinning of the crust, leading to the sinking of blocks of land between parallel faults?

9. Which moon of Jupiter is the most volcanically active body in the Solar System, with hundreds of active volcanoes?

10. Which space probe became the first human-made object to reach interstellar space?

11. Which layer of the Earth's interior is divided into the outer and inner layers?

12. What is the name of the process by which rocks are transformed into new types of rocks through heat and pressure?

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

14. What is the most prominent feature of Saturn?

15. Which space telescope observes the universe in X-ray wavelengths, allowing scientists to study high-energy phenomena such as black holes and supernova remnants?

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

17. What is the name of a small rocky or metallic body in space that enters Earth's atmosphere and produces a streak of light?

18. What is the name of the faint, outermost ring of Saturn discovered by the Voyager spacecraft?

19. What is the phenomenon called where Mercury exhibits phases similar to the Moon and Venus?

20. What is the lithosphere?

21. What geological feature on Mercury suggests it has contracted over time?

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

23. Which element, essential for life, has been detected in the form of methane on Mars?

24. Which moon of Neptune is thought to be a captured Kuiper Belt object, based on its retrograde orbit and unique composition?

25. What geological feature on Earth is formed by the bending or buckling of rock layers under compressional stress, leading to the uplift of mountain ranges?

26. Which moon of Neptune is known for its irregular shape and heavily cratered surface?

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

28. What effect do tidal forces have on celestial bodies?

29. What is the name of the dark, vortical storm system observed at Neptune's equator?

30. What is the name of the giant storm system observed on Neptune?