What’s Next: The Future of NASA’s Laser Communications

Illustration of ILLUMA-T communicating science and exploration data from the International Space Station to LCRD. (Credits: NASA’s Goddard Space Flight Center/Dave Ryan)

By Kendall Murphy
NASA’s Goddard Space Flight Center

GREENBELT, Md. — NASA uses lasers to send information to and from Earth, employing invisible beams to traverse the skies, sending terabytes of data – pictures and videos – to increase our knowledge of the universe. This capability is known as laser, or optical, communications, even though these eye-safe, infrared beams can’t be seen by human eyes.

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