NASA Will Soon Use ‘Space Lasers’ To Give Us Live Video From Mars And The Moon

Deep space communications via laser could increase spacecraft communications performance and efficiency by 10 to 100 times over conventional means. NASA/JPL-CALTECH

Ever since its inception, NASA has used radio waves to send and receive data, which are very dependable, but slow. In fact, it’s rare for any spacecraft to send back images at more than a couple of megabits per second (Mbps). That’s virtually dial-up speed, and it seriously hampers the exchange of real-time scientific data.

There are three complexes in the DSN, each placed 120º from each other; California, Madrid in Spain and Canberra in Australia.

Goldstone’s new antenna will include some capability to test optical communications and, specifically, a new technology NASA’s Jet Propulsion Laboratory in Pasadena, California, is working on called Deep Space Optical Communication (DSOC).

“Space lasers” will be critical for Mars missions; the astronauts on Mars will communicate with Earth far more than the robotic missions currently do, and NASA will need real-time data on life support systems and equipment on any Mars base.

However, you won’t be able to see them; the lasers will be in the near-infrared region of the electromagnetic spectrum.

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