Solar System Online Test

1. Which space telescope is famous for its stunning images of distant galaxies, nebulae, and star clusters?

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

3. 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?

4. What is the name of the region beyond the orbit of Neptune where a vast collection of icy bodies, including Pluto, reside?

5. 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?

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

7. Which spacecraft was the first to successfully land humans on the Moon?

8. What is the process by which sedimentary rocks are formed through the compaction and cementation of sediments?

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

10. What is the Kuiper Belt?

11. Which meteorite is composed mainly of iron and nickel and often exhibits a characteristic Widmanstätten pattern upon etching?

12. Which layer of the Earth's atmosphere contains the ozone layer?

13. What geological feature on Earth is formed by the bending or buckling of rock layers under compressional stress, leading to the uplift of mountain ranges?

14. What is the term for the gradual wearing away of the Earth's surface by natural processes such as wind, water, and ice?

15. Which moon of Jupiter was discovered by Galileo Galilei in 1610, making it one of the first objects observed in orbit around another planet?

16. Which moon of Saturn is known for its complex geological features, including cryovolcanoes, and the famous "tiger stripes" at its south pole?

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

18. What is the name of the hexagonal cloud pattern observed at Saturn's north pole?

19. What is the name of the moon of Neptune with a highly eccentric orbit and retrograde motion?

20. Which moon of Neptune is known for its retrograde orbit, meaning it orbits the planet in the opposite direction of Neptune's rotation?

21. Which moon of Jupiter exhibits a heavily cratered surface, indicating its ancient geological history and lack of significant geological activity?

22. Which geological feature on Earth is the result of the collision between tectonic plates, leading to the formation of mountain ranges?

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

24. Which mission provided the first detailed radar maps of Venus's surface?

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

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

27. Which ground-based telescope is located in Hawaii and is one of the world's premier observatories for optical and infrared astronomy?

28. Which asteroid is the third-largest object in the Asteroid Belt?

29. Which comet is famous for its spectacular breakup into multiple fragments, which collided with Jupiter in 1994?

30. How many major rings does Saturn's ring system consist of?