Solar System Online Test

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

2. Which moon of Uranus is known for its chaotic, fractured surface, possibly due to past impacts or internal heating?

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

4. What is the potential significance of recurring slope lineae (RSL) observed on Mars?

5. Which space probe successfully explored the dwarf planet Ceres in the asteroid belt, providing valuable data on its surface composition and features?

6. Which moon of Mars is closer to the planet?

7. Which asteroid is known for its large impact crater named Rheasilvia Basin?

8. What is the name of the process by which rocks are transformed into new types of rocks through heat and pressure?

9. 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?

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

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

12. What percentage of Earth's atmosphere is composed of nitrogen?

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

14. Which space telescope is designed to search for Earth-like planets orbiting other stars and is scheduled for launch in the 2020s?

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

16. What type of rock is formed from the cooling and solidification of magma or lava?

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

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

19. What is the average surface temperature of Pluto?

20. What is the name of the spacecraft that orbited Saturn and its moons, providing detailed observations and data?

21. What is the name of the faint, outermost ring of Saturn discovered by the Voyager spacecraft?

22. What is the phenomenon called when the solar wind compresses Earth's magnetosphere on the side facing the Sun?

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

24. Which asteroid is known for its elongated shape and rapid rotation, resembling a spinning top?

25. 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?

26. What is the name of the phenomenon where a planet or moon passes directly between a star and the observer, causing a temporary decrease in the star's brightness?

27. What is the region called where the solar wind slows down and merges with the interstellar medium?

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

29. Which moon of Saturn exhibits extensive cryovolcanism, with geysers erupting from its south polar region?

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