LINGUISTICS: A red moon rising can have multiple meanings, depending on the phenomenon that causes it:
- Total lunar eclipse: Also known as a "blood moon", this happens when the Earth passes between the sun and the moon, blocking sunlight and casting a shadow on the moon. As sunlight filters through Earth's atmosphere, it can color the moon red or ruddy brown.
- Moon near the horizon: When the moon is closer to the horizon, the light it reflects to Earth passes through a thicker layer of atmosphere. This scatters shorter wavelengths of light, while longer wavelengths, like red, are allowed to reach our eyes, making the moon appear red.
- Dust, smoke, or haze: The moon can also appear red if there is dust, smoke, or haze in the sky
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