Diffuse extragalactic background radiation
= Diffuse extragalactic background radiation
{wiki=Diffuse_extragalactic_background_radiation}
Diffuse Extragalactic Background Radiation (DEBR) refers to the faint, overall glow of electromagnetic radiation that permeates the universe outside our galaxy. This radiation is not concentrated in individual sources like stars or galaxies but is instead the cumulative output from numerous cosmic phenomena across vast distances.