Pollution is endangering the future of astronomy
Technological advances are making it harder to see the night sky
![night sky panorama](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/01/011218_DG_lightpollution_feat_0.jpg?fit=860%2C460&ssl=1)
SKY GLOW This panoramic view of the night sky from Meteor Crater in Arizona shows how light from Winslow, Phoenix and Flagstaff (left to right, starting at 90°) makes it harder to see the stars.
Dan Duriscoe/National Park Service