Solar System Online Test

1. What is the estimated total number of icy bodies in the Oort Cloud?

2. What is the name of the moon of Makemake discovered in 2015?

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

4. Which space probe was the first to fly by Jupiter and Saturn and provided close-up images of their moons, including Io's volcanic activity?

5. What is the name of the elongated extension of Earth's magnetosphere on the side opposite the Sun?

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

7. What is the name of the massive, swirling storm system observed at Neptune's equator?

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

9. Which Apollo mission was the last to land humans on the Moon's surface?

10. What is the name of the massive, swirling storm system observed at Saturn's south pole?

11. Which space probe was the first to visit the asteroid belt and to make direct observations of Jupiter?

12. What is the biosphere?

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

14. What is the term for the phase of the Moon when only a small portion of its surface is illuminated, appearing as a thin crescent?

15. Which spacecraft conducted a close-up study of Ceres, revealing bright spots and other intriguing features on its surface?

16. Which planet in the Solar System exhibits extensive canyon systems, including Valles Marineris, which is considered the largest canyon in the Solar System?

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

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

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

20. Which moon of Uranus is the smallest and most irregularly shaped, with a surface marked by numerous grooves and cliffs?

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

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

23. Which biome is characterized by long, cold winters, short summers, permafrost, and low-growing vegetation such as mosses and lichens?

24. What is the name of the largest moon in the Solar System, which orbits the gas giant Jupiter and is larger than the planet Mercury?

25. How do solar storms, like coronal mass ejections, affect the occurrence of auroras?

26. Where is the Asteroid Belt located in the Solar System?

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

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

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

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