Astronauts aboard the International Space Station took this image of southern Scandinavia lit up at night. A green aurora is visible over the horizon. NASA hide caption
light pollution
A streetlight illuminates a rural footpath. Andy Feltham / EyeEm/Getty Images/EyeEm hide caption
The lights inside LEF Farms' new greenhouse have replaced starry skies with a jarring and unnatural glow. Courtesy of Dennis Jakubowski hide caption
High-Tech Greenhouse Has Neighbors Throwing Shade Over Light Pollution
New Hampshire Public Radio
In Namibia, a clear view of the Milky Way is a nightly norm. Arctic-Images/Getty Images hide caption
This view of North America as seen in Google Earth shows colored areas that denote levels of light pollution as detailed in the New World Atlas of Artificial Sky Brightness. Fabio Falchi et al./AAAS hide caption
Light Pollution Hides Milky Way From 80 Percent Of North Americans, Atlas Shows
Flares and electric lights on oil well pads illuminate low-hanging clouds near Watford City, North Dakota. Andrew Cullen hide caption