Space Is So Big, Even Speed-Of-Light Messaging Can Seem Slow
Space is really, really big — and there's no way to get messages across it any faster.By Evan Thomas | August 16, 2016
These days, communication happens at the speed of light — literally as fast as possible. But space is so big, even speed-of-light messages seem slow.
Talking with space station crew in low Earth orbit takes about a second.