It also increases the sky background glow, which then makes it much harder to see nebulas, dust clouds, and finer details in the night sky. A brighter night sky poses problems for wildlife ...

At the very darkest sites on Earth, far removed from humanity’s wasted sky-directed light, that background can be as dim as 22 mag/arcsec 2. I’d love to have a moonless night with my ...

Where to find The Wintermaker, Curly Tail, The Sacred Loop and more indigenous constellations in the night sky. Standing under the night skies in North America pointing out stars with Arabic names ...