19. The Universe, on Average, is Empty
1 trek • 0 pemutaran • 0 favorit
19. The Universe, on Average, is Empty
0:003:07
Success & InspirationAstronomy & Space Science
Episode
1
19. The Universe, on Average, is Empty
3:07
1 trek • 0 pemutaran • 0 favorit
19. The Universe, on Average, is Empty