La Repubblica (2 April 2021)

Nights less and less dark: the fault of satellites and space debris

"Unlike light pollution on the ground, this type of artificial light in the night sky can be seen over much of the earth's surface," clarified John Barentine of the International Dark-Sky Association, explaining how difficult it is to escape from this type of light pollution. : “Astronomers build observatories far from cities to look for dark skies, but this form of light pollution has a much wider geographical scope.” And it could be a problem not just for astronomers, experts say.

Read more: ​​https://www.repubblica.it/green-and-blue/2021/04/02/news/notti_sempre_meno_buie_colpa_di_satelliti_e_detriti_spaziali-294762788/