Before revision: Dewbow on the ground Dewbow on a spiderweb A dewbow is an optical effect, similar to a rainbow where the dewdrops reflect and disperse sunlight , producing all the colours in the visible spectrum .
After revision: Dewbow on the ground Dewbow on a spiderweb A dewbow is an optical effect, similar to a rainbow where the dewdrops reflect and disperse sunlight instead of rain droplets .