Solar System Online Test

1. What is the name of the dark, vortical storm system observed at Neptune's equator?

2. Which canyon system on Mars is the largest in the solar system?

3. Which planet in the Solar System has a thick atmosphere composed mainly of carbon dioxide, with surface pressures about 92 times that of Earth?

4. What is the Earth's mantle primarily composed of?

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

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

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

8. What is the name of the large, high-altitude vortex observed at Venus' south pole?

9. What is tidal locking?

10. What is the Oort Cloud?

11. What is the approximate diameter of Jupiter's Great Red Spot?

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

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

14. What is the rotational period of Earth?

15. Which space probe was the first to visit Jupiter and later became the first human-made object to leave the Solar System?

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

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

18. Which spacecraft provided the first close-up images and data of Neptune and its moons?

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

20. What is the term for the process by which sediments are deposited in a new location?

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

22. What is the phenomenon called where Mercury exhibits phases similar to the Moon and Venus?

23. 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?

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

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

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

27. Which gas giant planet exhibits alternating bands of clouds in its atmosphere, known as belts and zones, caused by powerful atmospheric jet streams?

28. Which space probe conducted flybys of Jupiter and Saturn before embarking on a trajectory to leave the Solar System in a different direction from Voyager 1?

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

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