Solar System Online Test

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

2. What is the name of the phase of the Moon when it is fully illuminated as seen from Earth?

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

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

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

6. What is the heliosphere?

7. Which moon of Mars is closer to the planet?

8. Which region of a comet's structure is primarily composed of water vapor, carbon dioxide, and other volatile substances?

9. Which space probe conducted the first flyby of Saturn and provided detailed images of its rings and moons?

10. What causes the extreme greenhouse effect on Venus?

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

12. What is the solar wind?

13. What is the name of the volcanic moon of Jupiter known for its intense volcanic activity?

14. 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?

15. What is the state of Mercury's atmosphere?

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

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

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

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

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

21. What is the name of the moon of Jupiter with a subsurface ocean that may harbor conditions suitable for life?

22. Which dwarf planet is known for its reddish surface color, likely due to the presence of organic compounds?

23. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it?

24. What is the name of the moon of Pluto discovered in 2011 and named after the three-headed dog that guards the entrance to the underworld in Greek mythology?

25. 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?

26. Which of the following is NOT a type of rock formed by the process of weathering and erosion?

27. What is the name of the persistent high-pressure region in Jupiter's atmosphere that is characterized by its swirling anticyclonic storm?

28. According to Kepler's first law of planetary motion, what shape do planetary orbits trace around the Sun?

29. How does solar wind contribute to the creation of auroras on Earth?

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