Solar System Online Test

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

2. Which type of tail of a comet is composed of ionized gas and is pushed away from the Sun by the solar wind?

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

4. Which space probe recently completed its mission by crashing into the surface of Comet 67P/Churyumov-Gerasimenko?

5. What is the biosphere?

6. What is the name of the large, dark plains on the Moon's surface, formed by ancient volcanic eruptions?

7. Which space telescope is famous for its stunning images of distant galaxies, nebulae, and star clusters?

8. What is the name of the largest and brightest ring of Uranus?

9. Which moon of Jupiter exhibits a heavily cratered surface, indicating its ancient geological history and lack of significant geological activity?

10. Which space probe is currently studying Jupiter's atmosphere, magnetic field, and composition?

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

12. Which spacecraft provided close-up images of Jupiter and its moons in the 1990s?

13. What is the term for the process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight?

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

15. Which dwarf planet is notable for its elongated shape and rapid rotation?

16. Which moon of Jupiter is known for its bright, highly reflective surface and its distinctive grooved terrain?

17. What is the approximate length of one day on Venus (one complete rotation)?

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

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

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

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

22. What is gravitational interaction?

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

24. What was the approximate length of the tail of Comet Hale-Bopp during its peak brightness in 1997?

25. What is the name of the region in the Solar System where long-period comets originate, extending to the outermost reaches of the Sun's gravitational influence?

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

27. What is the name of the vast, heart-shaped region observed on Pluto's surface, which is informally named after the famous Disney character?

28. Which biome is characterized by long, cold winters and short, cool summers, with coniferous trees as the dominant vegetation?

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

30. What is the name of the largest volcano on Venus?