China's Earth–Moon Laser Link Beams Lunar Photos Home in 12 Seconds, Down From 4 Minutes
China has established the first bidirectional high-speed laser communication link between the Earth and the moon across more than 400,000 kilometers, state media announced — cutting the transfer of an 8K lunar image from four to five minutes over microwave to about 12 seconds, a leap with consequences for every future mission to the moon.











