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Deep-space lasers smash data speed records over interplanetary distances
NASA’s Psyche spacecraft, farther away than the Sun, has sent data through a laser over a record-breaking distance, and done so even faster than expected.
So far, high speed tests have beamed data in lasers between satellites and the ground, and even from lunar orbit to Earth, but things get trickier over longer distances. This represents a significant milestone for the project by showing how optical communications can interface with a spacecraft’s radio frequency comms system.” The team says this tech demo is a key step towards faster communication of high resolution images and data that will be needed when humans eventually set foot on Mars.
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