Why does the moon appear orange or red?

The atmosphere closer to the horizon is much thicker and scatters the light, giving the moon (and sun) a reddish tint. When the moon is nearer to the horizon, its light has to pass through more of our atmosphere than when it’s overhead. This means colors like blue are scattered away even more so than before, while orange and red still reach our eyes. This causes the moon to appear orange when it’s still very much white when seen from outer space at the same exact time.


Picture Credit : Google