In a world I am building, I would like to have the moon change color when seen from the planet's surface as it goes through its phases (e.g., the crescent after new moon is blood red, a quarter moon is greenish, and the full moon is white). Is there a scientifically reasonable explanation for this?
- Any known orbital pattern
- Any known material properties (but not necessarily an existing material)
- The moon appears round when viewed from the planet
The ideal solution will be one where the color changes are due to the properties of the moon rather than the properties of the planet.