Solar System Online Test

1. What is the name of the iconic long-lasting storm on Jupiter?

2. What is the name of the robotic rover currently exploring the surface of Mars?

3. Which moon of Saturn is believed to have a subsurface ocean beneath its icy crust?

4. How many moons does Mars have?

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

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

7. What is the name of the bright, elongated stream of gas and dust extending from the coma of a comet?

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

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

10. Which space telescope is operated by NASA and the European Space Agency (ESA) and has made significant contributions to our understanding of dark matter and dark energy?

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

12. Which spacecraft, launched by NASA in 2006, conducted a historic flyby of Pluto in 2015, providing the first detailed images of the dwarf planet and its moons?

13. What is the primary component of Eris's surface?

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

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

16. How does the atmospheric pressure at the surface of Venus compare to Earth's?

17. What is the name of the storm system observed at Saturn's south pole, which is similar to Jupiter's Great Red Spot but located at the pole?

18. What geological feature on Mars is believed to be the largest volcano in the Solar System by volume and is named after the Roman god of war?

19. What is the name of the largest impact basin on Mars, covering a vast region of the planet's southern hemisphere?

20. What is the name of the moon that was discovered to have a significant impact on Uranus's ring system?

21. Which moon of Jupiter is the largest moon in the Solar System, even larger than the planet Mercury?

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

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

24. Which moon of Uranus is unique for its extreme axial tilt, causing it to essentially orbit the planet on its side?

25. Which layer of the Earth's interior is divided into the outer and inner layers?

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

27. Which moon of Jupiter is thought to have a subsurface ocean beneath its icy crust, similar to Europa, but with a greater depth and complexity?

28. What is the name of the dark, circular feature on the Moon's surface, formed by a volcanic eruption or impact?

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

30. What is the name of the spacecraft launched by the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) to study Mercury?