Citizen Scientists Show Light Pollution Erases Stars From The Sky
The project is run by the National Science Foundation’s NOIRLab, an astronomy research center in Tucson, Arizona. Volunteers—most of them in North America and Europe—are given eight possible maps of their local night sky, showing the stars visible at varying levels of sky brightness. The volunteers look outside and pick the map that best matches what they can actually see, based on the brightness of the faintest star they can spot at that moment....
