1. On membership:
2. On planets:
3. On the sun:
4. On gravity:
5. On space:
6. On Mars:
7. On Australia:
8. On..... Moana???
9. On lenses:
10. On the curve:
11. On Australia, yet again:
12. On clouds:
13. On gravity, again:
14. On evidence:
15. On gravity, AGAIN:
16. On the... ice wall????
17. On the blue sky:
18. On shadows:
19. And on the pilot's code:
