Bloody — Moon

: The exact shade of crimson can vary based on dust, smoke, or volcanic ash in our atmosphere; more particles typically lead to a deeper, darker red. Cultural & Mythological Significance

The red color is caused by the same physical process that creates red sunrises and sunsets—. Bloody Moon

: As sunlight passes through Earth's atmosphere, shorter wavelengths (blue and violet) are scattered away by gas molecules. : The exact shade of crimson can vary