Sunrises and sunsets are among the most beautiful weather phenomena, offering stunning displays of color as the sun moves above or below the horizon. The colors we see—reds, pinks, oranges, and purples—are the result of sunlight scattering in the atmosphere. During sunrise and sunset, the sun’s light passes through more of the Earth's atmosphere, scattering shorter wavelengths like blue and violet, leaving longer wavelengths like red and orange. These moments of transition mark the beginning ...