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has been cited by the following article:

• TITLE: Transport in Astrophysics: V. On the Red Sun at Horizon

  AUTHORS: Lorenzo Zaninetti

  KEYWORDS: Solar System, General, Earth

  JOURNAL NAME: International Journal of Astronomy and Astrophysics, Vol.13 No.4, December 25, 2023

  ABSTRACT: In order to simulate the red sun at the horizon we need to evaluate the average density of matter along a line of sight characterized by a given elevation angle. The decrease in frequency or the increase in wavelength of the light is modeled by the Bouguer-Beer-Lambert law and as a consequence, all the Planck spectrum is shifted toward lower frequencies or longer wavelengths.