The term SOLAR BEAM is composed of two words, RAY and SUNRAY. RAY is a three-letter word that means a narrow beam of light or other radiation, while SUNRAY is a six-letter word that refers to a RAY of sunlight. A solar beam is a beam of light from the sun, which is composed of electromagnetic radiation. Solar beams are used in various applications, such as solar energy production, solar heating, and solar lighting.