This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
ExtinktionAtmoRaleigh. en Atmospheric extinction coefficient due to Rayleigh scattering in dependence on wavelength and angle of incidence de Atmosprischer Extinktionskoeffizient aufgrund von RayleighStreuung in Abhngigkeit von der Wellenlnge und dem Einfallswinkel own Michael Oestreicher Atmospheric Rayleigh scattering