chemistry

When sunlight hits the atmosphere it scatters. Blue wavelengths tend to disperse more quickly than any other colour; that’s why the sky looks bluer. At sunrise and sunset, when the Sun is low near the horizon, its light must travel further through the atmosphere before it can reach you. As such, shorter wavelengths such as…

Have you noticed how the sky is an endless sea of blue? Closer to the sun, its hue becomes lighter while moving further from it. Light travelling through Earth’s atmosphere collides with molecules and particles such as oxygen and nitrogen, scattering light in various directions. Shorter wavelengths like blue are scattered more than longer ones…