Light pollution
2 articles-
Can You Identify These Cities From Their Light Signatures?
The light that a city emits is like its glowing fingerprint. From the orderly grid of Manhattan, to the sprawling, snaking streets of Milan, to the bright contrast of Kuwait’s ring-roads, each city leaves its own pattern of tiny glowing dots. See if you can ID these cities based on the way they shine. […] -
Falling in Love With the Dark
One astronomer has taken to U.S. National Parks to rekindle an old romance.