why does the moon change colors? Why is it once red, once blue, ir white? Is the same color seen from all over the world at the same time?
In: Physics
What do you mean blue? The term “blue moon” doesn’t mean the moon really turns blue at all.
During lunar eclipses the moon turns red. That’s because most of the sun is blocked and the only light reaching the moon comes from the sunsets then happening around the world. Anyone who can see the moon sees this effect.
Another way for the moon to appear more red than normal is when it rises or sets, just as the sun does. This is purely a local atmospheric effect and, to people elsewhere in the world who can see the moon high in the sky, it looks normal.
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