1+ hour, 40+ min ago  (266+ words) The Artemis II optical communications system was built around an optical terminal attached to Orion's exterior. This terminal employed infrared lasers to send data encoded in light pulses to ground stations on Earth. During the mission, the terminal functioned by…...

4+ mon, 7+ hour ago  (488+ words) Laser communication solves many practical problems that come with the use of radio frequency. First, it sidesteps the crowded radio frequency spectrum and the need for licensing. Second, laser communication can move a lot more data, typically orders of magnitude…...