when the ray of light enters a medium in bends a come out this is known as refliction of light
Personal reflection is the act of examining one's thoughts, feelings, and experiences. It involves looking back on past events to gain insights, learnings, and self-awareness, leading to personal growth and development. Reflection can help individuals understand their emotions, behaviors, and beliefs in order to make positive changes in their lives.
Props are painted with "flat black" paint to eliminate possible refliction and temporarily blinding of the pilot. With the prop spinning it is virtually invisible. But therein lies a problem, the possible hazard of a ground crew walking into the spinning prop (think that fight scene out of Indiana Jones movie) that is why most prop tips are painted (usually yellow or white). This tipping is very visable compared to the rest of the prop. Also, and popular during WWII was painting the center cap, same effect of grabbing attention.
'Moonlight' is actually the light from the sun, reflecting off the moon, and beaming down to Earth. It's like having a mirror between Earth and the Sun, and the sun's light shines on the mirror, then reflecting it to Earth.