Solar System Online Test

1. Which spacecraft conducted a flyby of Pluto, providing the first close-up images and data of the dwarf planet?

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

3. What is the rotational period of Earth?

4. Which spacecraft conducted a flyby of Pluto and explored the Kuiper Belt object Arrokoth?

5. Which of the following is NOT a type of plate boundary?

6. What causes the extreme greenhouse effect on Venus?

7. What is gravitational interaction?

8. Which space probe carried a golden record containing sounds and images of Earth, intended as a message to potential extraterrestrial civilizations?

9. Which meteorite is known for containing abundant organic compounds and is believed to be a remnant of the early Solar System?

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

11. 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?

12. What effect does tidal heating have on celestial bodies?

13. Which planet in the Solar System is known for its massive dust storms that can engulf the entire planet for months?

14. What is the approximate distance from the Sun to the inner edge of the Asteroid Belt?

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

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

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

18. Which gas giant planet has the fastest winds in the Solar System, with wind speeds reaching up to 2,100 kilometers per hour (about 1,305 miles per hour)?

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

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

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

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

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

24. What is the Oort Cloud?

25. What is the name of the first successful Mars rover mission, launched by NASA in 1996, which provided valuable data on the Martian surface and atmosphere?

26. What is the primary composition of Mercury's surface?

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

28. Which comet made a close approach to Earth in 1996, becoming widely visible to the naked eye?

29. What is the primary component of Neptune's atmosphere?

30. How many moons does Mars have?