1. Solar System
2. Planets
3. Gas Giants
   1. Jupiter
   2. Saturn
   3. Uranus
   4. Neptune
4. Dwarf Planets
   1. Pluto
5. Terrestrial Planets
   1. Mercury
   2. Venus
   3. Earth
   4. Mars
6. Outer Planets
7. Inner Planets
8. Star
9. Asteroid Belt
10. Ring
11. Spherical
12. Moon(s)
13. Asteroids
14. Comets
15. Layers/Zones
    1. Core
    2. Radiative
    3. Convective
    4. Photosphere
    5. Chromosphere
    6. Corona
16. Coronal Mass Ejection
17. Solar Winds
18. Northern/Southern Lights
19. Electromagnetic Field
20. Solar Flares
21. Sun Spots
22. Solar Prominence
23. Tails
    1. Dust Tail
    2. Ion Tail