What is what does it mean when the moon is yellow?

When the moon appears yellow, it is typically due to the scattering of light in the Earth's atmosphere. This can happen when the moon is low on the horizon, causing it to pass through more of the Earth's atmosphere and making the shorter blue wavelengths of light scatter, leaving the longer red and yellow wavelengths to reach our eyes. This can create a stunning visual effect where the moon appears a golden or yellow color.

In some cases, pollutants or dust particles in the atmosphere can also contribute to a yellow or orange hue to the moon. Additionally, the moon's color can also be influenced by natural events such as volcanic eruptions, which can release particles into the atmosphere that scatter light and change the moon's appearance.

Overall, a yellow moon can be a beautiful and captivating sight to see in the night sky, adding an extra element of wonder to the natural world.