Solar System Online Test

1. What is the primary cause of auroras on Earth?

2. What is the name of the region on Pluto characterized by vast plains of nitrogen ice?

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

4. Which moon of Jupiter is the largest in the solar system?

5. Which Apollo mission was the last to land humans on the Moon's surface?

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

7. Which celestial body exhibits significant tidal forces from both Jupiter and Saturn, resulting in its elongated shape and active cryovolcanism?

8. Which meteorite impact created the Barringer Crater in Arizona, USA?

9. Which asteroid is the third-largest object in the Asteroid Belt?

10. Which space probe successfully explored the dwarf planet Ceres in the asteroid belt, providing valuable data on its surface composition and features?

11. Which space probe conducted a flyby of Pluto in 2015, providing the first close-up images of the dwarf planet?

12. Which space probe was the first to visit Jupiter and later became the first human-made object to leave the Solar System?

13. Which space probe provided the first close-up images of Jupiter and Saturn?

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

15. Which moon of Saturn is known for its thick atmosphere and lakes of liquid methane and ethane on its surface?

16. What is the name of the meteorite that is believed to have brought organic molecules and water to Earth, potentially contributing to the origin of life?

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

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

19. Which moon of Saturn is the only moon in the Solar System known to have a dense atmosphere, primarily composed of nitrogen?

20. What is the term for the layer of air surrounding the Earth that sustains life and protects it from harmful radiation?

21. Which moon of Saturn exhibits a prominent equatorial ridge that encircles its entire circumference, giving it a distinct walnut-like shape?

22. Which meteorite is composed mainly of iron and nickel and often exhibits a characteristic Widmanstätten pattern upon etching?

23. Which moon of Uranus is known for its unusual, roughly spherical shape, with a diameter about one-third that of our Moon?

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

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

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

27. Which Mars rover is equipped with a drill to collect samples of Martian rocks and soil for analysis?

28. What is the heliosphere?

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

30. What is the most prominent feature of Saturn?