Solar System Online Test

1. Which spacecraft conducted the first soft landing on the far side of the Moon in 2019, deploying the Yutu-2 rover?

2. Which moon of Jupiter is the largest moon in the Solar System, even larger than the planet Mercury?

3. What is the name of the spacecraft that became the first human-made object to reach interstellar space in 2012?

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

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

6. Which type of tail of a comet is composed of ionized gas and is pushed away from the Sun by the solar wind?

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

8. Which moon of Saturn is the largest and most notable, with a thick atmosphere and lakes of liquid hydrocarbons on its surface?

9. What is axial tilt in planetary astronomy?

10. Which spacecraft provided the first close-up images and data of Neptune and its moons?

11. What is the name of the moon of Neptune with a highly eccentric orbit and retrograde motion?

12. Which space telescope is set to succeed the Hubble Space Telescope and is designed to observe the universe in the infrared spectrum?

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

14. What is the name of the robotic rover currently exploring the surface of Mars?

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

16. Which region of the Sun is responsible for the acceleration of the solar wind?

17. What is the name of the vast, heart-shaped region observed on Pluto's surface, which is informally named after the famous Disney character?

18. What is the name of the phenomenon where tidal forces cause a celestial body to become elongated along the axis pointing toward the attracting body?

19. 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?

20. Which moon of Saturn is thought to have subsurface oceans beneath its icy crust, similar to Europa and Enceladus?

21. Which comet is known for its bright appearance and greenish coma due to the presence of cyanogen and diatomic carbon?

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

23. What is the name of the largest volcano on Venus?

24. What is the name of Kepler's second law of planetary motion?

25. Which moon of Saturn exhibits extensive cryovolcanism, with geysers erupting from its south polar region?

26. Which ground-based telescope is the world's largest single-aperture optical telescope and is located in the Canary Islands, Spain?

27. What is the name of the asteroid belt object that was visited by the Japanese spacecraft Hayabusa2?

28. What are auroras commonly known as when seen in the Northern Hemisphere?

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

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