Here's How Much of Your Suntan Comes from Beyond Our Galaxy
Monday, August 15, 2016 - 13:31
in Astronomy & Space
Every second, every square meter of Earth is bombarded by 10 billion photons born beyond the Milky Way, according to a new study. That may sound like a lot, but it's just 10 trillionths of the total number that bathe every square meter of the planet.