Solar System Online Test

1. Which ground-based telescope is located in Chile and is designed to search for exoplanets using the transit method?

2. What is the central solid core of a comet called?

3. Which meteorite is known for containing abundant organic compounds and is believed to be a remnant of the early Solar System?

4. Which moon of Jupiter was discovered by Galileo Galilei in 1610, making it one of the first objects observed in orbit around another planet?

5. What is the primary component of Uranus's atmosphere?

6. Which process is responsible for the movement of tectonic plates?

7. Which geological feature on Earth is the result of the collision between tectonic plates, leading to the formation of mountain ranges?

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

9. What is the name of the spacecraft that discovered geysers erupting from beneath the icy surface of Saturn's moon, Enceladus?

10. What is the term for the layer of air surrounding the Earth that sustains life and protects it from harmful radiation?

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

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

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

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

15. How many rings does Uranus have?

16. Which dwarf planet was the first to be discovered beyond Pluto's orbit in the Kuiper Belt?

17. 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?

18. 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?

19. What is the name of the tallest mountain on Mars, often compared to Mount Everest on Earth?

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

21. Which moon of Jupiter has a thin atmosphere composed mostly of carbon dioxide, with surface pressures less than one-thousandth of Earth's?

22. What is the name of the spacecraft that became the first human-made object to reach interstellar space in 2012?

23. Which space probe provided the first close-up images of the asteroid Vesta and the dwarf planet Ceres in the asteroid belt?

24. Which mission is currently orbiting Mercury to study its surface and composition?

25. What is the name of the region on Pluto characterized by vast plains of nitrogen ice?

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

27. What is the name of the moon of Pluto discovered in 2011 and named after the three-headed dog that guards the entrance to the underworld in Greek mythology?

28. What is the name of the group of four large moons of Jupiter discovered by Galileo?

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

30. Which region of a comet's structure is primarily composed of water vapor, carbon dioxide, and other volatile substances?