For nearly all of human history, once the Sun went down and the sky darkened, so long as you had a clear, moonless night, you’d be greeting with a spectacular, thrilling night sky: with thousands of stars, a clear view of the Milky Way, and several faint, fuzzy nebulae all visible to your naked eye. If each of us were to look up at a clear, moonless sky tonight, however, most of us would only see a few dozen stars, with the rest being washed out by a triumph of modern technology: nighttime lighting. Furthermore, even those of us with access to darker, more rural skies are subject to a rising type of novel light pollution: pollution from light reflected off of satellites, which continuously streak through the sky in tremendous numbers.
Is Light Therapy Allowed on a Plane? [2024 TSA Rules]
Light therapy has become an increasingly popular wellness tool for managing skin conditions and overcoming jet lag. But can you actually bring such devices onto…