Solar System Online Test

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

2. What effect do tidal forces have on celestial bodies?

3. Which biome is characterized by tall grasses, few trees, and a distinct rainy and dry season?

4. What phenomenon on Venus is characterized by a slow retrograde rotation, meaning it rotates in the opposite direction of most planets in the Solar System?

5. What is the name of Kepler's second law of planetary motion?

6. What was the last appearance of Halley's Comet before its most recent return in 1986?

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

8. What is the name of the meteorite that produced the largest observed meteor airburst event in recorded history?

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

10. What is the biosphere?

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

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

13. 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?

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

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

16. What term refers to the fuzzy, glowing region surrounding the nucleus of a comet?

17. What characteristic makes Mercury unique among the terrestrial planets?

18. Which effect of tidal forces is responsible for the gradual recession of the Moon from Earth and the lengthening of Earth's day?

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

20. What is the term for the movement of water from the Earth's surface into the atmosphere through evaporation from bodies of water and transpiration from plants?

21. Which dwarf planet is known for its highly eccentric orbit that takes it far beyond the orbit of Pluto?

22. What is the name of the spacecraft that successfully landed the Huygens probe on Saturn's largest moon, Titan, in 2005?

23. Which moon of Saturn is thought to have subsurface oceans beneath its icy crust, similar to Europa and Enceladus?

24. Which layer of the Earth's atmosphere is closest to the planet's surface?

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

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

27. What is the primary component of Venus's atmosphere?

28. Which moon of Saturn is the only moon in the Solar System known to have a dense atmosphere, primarily composed of nitrogen?

29. What is the name of the largest volcano in the solar system, located on Mars?

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