The answer to the crossword question “Emanations from the sun” is RAYS. The sun emits various types of energy, including light and heat, which are commonly referred to as rays. These rays are responsible for providing warmth and light to the Earth, and they also play a crucial role in photosynthesis, which is the process by which plants convert sunlight into energy. Rays can also have harmful effects on human skin, such as causing sunburn and increasing the risk of skin cancer. Overall, rays are an essential part of our daily lives and have both positive and negative impacts on our health and environment.