Light Pollution Threatens Global Observatories, Jeopardising Deep-Sky Astronomy
Light pollution is brightening skies over observatories at an alarming rate, with artificial light growing by up to 10% each year. Astronomers caution that this glow, intensified by widespread LED use and urban expansion, is threatening the ability of telescopes to detect faint cosmic objects and diminishing humanity’s shared right to experience the night sky.
