How Laser Communications Work in Space and What Makes the Links Reliable
When NASA’s Artemis II astronauts traveled around the Moon in April 2026, radio was not their only connection to Earth. A laser communications terminal aboard Orion exchanged 484 GB of data during the 10-day mission, reaching downlink speeds of 260 Mbps. It was the first laser communications system flown on a crewed deep-space mission. Artemis
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