In the droplets of water, the light is reflected directly, forming the first rainbow but, some of the energy is reflected, a second time, on the other surface of the droplets. That forms a second rainbow outside the first one. read more
Stand 3 feet in front of a mirror, but also 1 foot to the right of its right edge. You can’t see your reflection, but a friend standing 3 feet to your left could. read more
In the morning the sun is in the east; to see a rainbow you must be facing toward the west where it's raining. Since showery weather usually comes from the west, take warning from the morning rainbow. read more