Light in itself has no color. But when it possesses a material, it uses it as a medium to express itself, in color. When it passes from one medium to the other, it bends, projecting an arabesque of ...
How does a lunar halo form? Halos are often the result of ice crystals in cirrus clouds. When moon or sunlight shines through these crystals, the light refracts or bends. In this case, it does so at ...
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