Solar System Online Test

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

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

3. Which space telescope is designed to search for Earth-like planets orbiting other stars and is scheduled for launch in the 2020s?

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

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

6. Which moon of Uranus is known for its heavily cratered surface and bright, icy terrain?

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

8. What is the primary component of Ceres's surface?

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

10. 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?

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

12. What characteristic makes Mercury unique among the terrestrial planets?

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

14. What is the name of the asteroid belt object that was visited by the Dawn spacecraft in 2011?

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

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 are substorms in the context of Earth's magnetosphere?

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

19. Which moon of Saturn is known for its active geysers erupting from its south pole, indicating the presence of a subsurface ocean?

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

21. What is the most prominent feature of Neptune's atmosphere?

22. What is the most prominent feature of Saturn?

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

24. What phenomenon on Venus is characterized by a slow retrograde rotation, meaning it rotates in the opposite direction of most planets in the Solar System?

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

26. What causes tidal forces?

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

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

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

30. What is the name of the largest impact basin on Mars, covering a vast region of the planet's southern hemisphere?