Solar System Online Test

1. 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?

2. What is the name of the large impact crater on the Moon's surface that contains the Sea of Tranquility, where Apollo 11 landed?

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

4. What is the lithosphere?

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

6. What is the phenomenon called where Mercury exhibits phases similar to the Moon and Venus?

7. Which type of comets are believed to originate from the Oort Cloud?

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

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

10. What is the name of the valley network system on Mars that suggests past water erosion?

11. What is the name of the space telescope launched by NASA in 1990, which has provided breathtaking images and groundbreaking discoveries in astronomy?

12. What is the name of the moon of Pluto discovered in 2005 and named after the ferryman of the underworld in Greek mythology?

13. What is the name of a meteoroid that survives its passage through Earth's atmosphere and strikes the ground?

14. What is the largest moon of Pluto?

15. What is the name of the moon of Saturn with a distinctive two-toned appearance, caused by impact cratering?

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

17. Which space probe provided the first close-up images of the asteroid Vesta and the dwarf planet Ceres in the asteroid belt?

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

19. What is the name of the comet that made a close approach to Earth in 1997, becoming one of the brightest comets of the 20th century?

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

21. Which comet is known for its exceptionally long tail and was visible to the naked eye for several months in 1997?

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

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

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

25. Which moon of Neptune is thought to be a captured Kuiper Belt object, based on its retrograde orbit and unique composition?

26. What is gravitational interaction?

27. How many rings does Uranus have?

28. Which ground-based telescope is located in Chile and is designed to search for exoplanets using the transit method?

29. What is the name of the largest and brightest ring of Uranus?

30. Which moon of Jupiter is known for its highly active surface geology, with extensive cryovolcanism and icy geysers?