leonardo da vinci : the codex leicester

why does the moon shine as a whole?

no body is uniformly hit by a ray of sunlight. the light, the illuminating ray, is brighter, the more the ray of sunlight approaches a right angle to the horizontal of the irradiated surface when it hits.
the moon, as a spherically-shaped body, can therefore only be uniformly illuminated, if there is water located on it. but as a spherical body of water the moon could not reflect any rays of sunlight other than a directly descending ray, which is small in comparison with the mass of the moon. but since the moon is covered with water that forms waves, each wave reflects its own ray of sunlight (in this way many rays of sunlight are reflected). the darkness located between the waves mixes with the bright patches on the waves’ crests in the view seen by the observer located far away.






  1. why does the moon shine?
  2. why does the monn not always shine with the same intensity?
  3. how can the moon reflect light?
  4. why does the moon sometimes shine only partially?
  5. when is the sun's light most strongly reflected from the earth to the moon?
  6. can the moon be a shiny mirror?
  7. why must the moon's surface be liquid?
  8. how does a person see the reflection of the sun in the sea?
  9. does the sun appear to be the same size from all points of the earth that are illuminated by it?
  10. when does the moon shine particulary strongly?
  11. how can one determine the volume of the sun without leaving the earth?
  12. does the moon also shine during the day?
  13. why must the moon have an uneven surface?
  14. why does the moon shine as a whole?
  15. why does the moon have a light surrounding it when the sun is setting?
  16. why doesn't the moon fall to the earth?
  17. why does the moon shine more weakly than the sun?
  18. does water have the shape of a sphere?
  19. why does the moon sometimes have a shining ring?
  20. why is the uneven surface of the moon composed of water?
  21. is the size of the moon in fact due to the expansion of light?
  22. what happens, when winds agitate the water of the moon?
  23. why does the eye see the sun as a tiny image in the sea?

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