Light pollution is encroaching on observatories around the globe – making it harder for astronomers to study the cosmos
- Written by Richard Green, Astronomer Emeritus, Steward Observatory, University of Arizona
Light pollution from human activity can threaten radio astronomy – and people's view of the night sky. Estellez/iStock via Getty ImagesOutdoor lighting for buildings, roads and advertising can help people see in the dark of night, but many astronomers are growing increasingly concerned that these lights could be blinding us to the rest of...