Solar System Online Test

1. Which of the following is NOT a greenhouse gas?

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

3. Which region of the Sun is responsible for the acceleration of the solar wind?

4. What is the primary greenhouse gas in Earth's atmosphere?

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

6. What is the name of the dwarf planet located in the Kuiper Belt, known for its elongated shape and rapid rotation?

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

8. Which space probe was launched to study Pluto and the Kuiper Belt objects beyond it?

9. Which comet is the most famous and well-known, with a regular period of approximately 76 years?

10. What is the name of a meteoroid that survives its passage through Earth's atmosphere and strikes the ground?

11. Which space probe provided the first close-up images of Jupiter and Saturn?

12. What is the Oort Cloud?

13. What is the layer of soil that contains organic matter, microorganisms, and plant roots, and is vital for supporting plant growth?

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

15. What is the name of the moon of Haumea that orbits within its elongated shape?

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

17. 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?

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

19. Which comet is often referred to as "the Great Comet of 1910" due to its spectacular appearance and close approach to Earth?

20. Which space probe was the first to fly by Jupiter, Saturn, Uranus, and Neptune, providing detailed data on these gas giants and their moons?

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

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

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

24. What is the name of the moon of Jupiter with a subsurface ocean that may harbor conditions suitable for life?

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

26. Which moon of Saturn is known for its active geysers erupting from its south pole, indicating the presence of a subsurface ocean?

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

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

29. What is gravitational interaction?

30. Which moon of Saturn is known for its complex geological features, including cryovolcanoes, and the famous "tiger stripes" at its south pole?