有关宇宙的问题与答案（英语）

Questions about the Universe
1. How Big Is the Sun? How Far Is It from Us ?
2. What Is the Colour of Sunlight?
3. Why Does the Sunny Sky Look Blue?
4. Is the Sun a Big Fire Ball?
5. Can the Sun Bum Out?
6. How Can the San Be Covered by Clouds Since It Is Much Bigger Than the Earth?
7. Why Can‘t We See the Sun at Night?
8 Which Is Bigger
9. Which Is Bigger
10. Why Does the Moon Always Follow You Wherever You Go?
11.What Is on the Moon?
12. Why Is the Moon Sometimes Round and Sometimes Not?
13. Why Do the Stars Shine in the Sky?
14. Why Do the Stars Twinkle in the Sky?
15. Why Can‘t We See the Stars During the Day?
16. Why Is a Starry Night Always Followed by a Sunny Day?
17. Are All the Stars White?
18. Are There More Stars in Summer Than in Winter?
19. What Is the Milky Way?
20. Are All the Stars the Same Size?
21. How Far Are the Stars from Us?
22. Are