Solar System Online Test

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

2. Which of the following is NOT a greenhouse gas?

3. Which moon of Jupiter is thought to have a subsurface ocean beneath its icy crust, similar to Europa, but with a greater depth and complexity?

4. Which moon of Saturn is believed to have a subsurface ocean beneath its icy crust?

5. Which moon of Jupiter has the highest density among the Galilean moons, indicating a significant amount of rocky material in its composition?

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

7. What is the potential significance of recurring slope lineae (RSL) observed on Mars?

8. Which of the following is NOT a layer of the Earth's interior?

9. 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?

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

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

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

13. What is the primary component of Jupiter's atmosphere?

14. What is the primary greenhouse gas in Earth's atmosphere?

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

16. What geological feature on Mars is believed to be the largest volcano in the Solar System by volume and is named after the Roman god of war?

17. What is the name of the tallest mountain on Mars, often compared to Mount Everest on Earth?

18. What is the name of the largest moon of Neptune?

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

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

21. Which celestial body exhibits significant tidal heating, resulting in geologically active features such as cryovolcanoes?

22. Which ground-based observatory is operated by the European Southern Observatory (ESO) and consists of four individual telescopes located in Chile?

23. Which comet fragmented and collided with Jupiter in 1994, producing a series of impact events observed by astronomers?

24. Which space probe recently completed its mission by crashing into the surface of Comet 67P/Churyumov-Gerasimenko?

25. Which biome is characterized by long, cold winters and short, cool summers, with coniferous trees as the dominant vegetation?

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

27. Which dwarf planet is considered the largest object in the Kuiper Belt?

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

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

30. What is the Earth's mantle primarily composed of?