Photoreceptors

Technology

Why is the Sky Blue? Exploring the Science Behind this Phenomenon

Rayleigh Scattering: How it Causes the Sky to Appear Blue The blue color of the sky is due to a phenomenon called Rayleigh scattering, named after the British scientist Lord Rayleigh who first explained it in the 19th century. Rayleigh scattering occurs when light interacts with particles that are much smaller than its wavelength, such as nitrogen and oxygen molecules…