Astronomical observatories enjoy some of the world’s darkest night skies. But even there light pollution is spreading, a new study suggests.
The post Light Pollution Is Creeping Up on World's Observatories appeared first on Sky & Telescope.
Astronomical observatories enjoy some of the world’s darkest night skies. But even there light pollution is spreading, a new study suggests.
The post Light Pollution Is Creeping Up on World's Observatories appeared first on Sky & Telescope.