Does light lose energy when crossing the universe? The answer includes the expansion of time.
When you buy through our articles links, Future and its syndication partners can earn commissions. Light, whether from the star or your flashlight, drives 186,000 miles per second at 186,000 miles. ; | Credit: Artur Discussion/Moment Through Getty Images Mine Telescopeset up Astrophotography In my light yard of San Diego, it was directed to the … Read more