Laser message from Deep Space

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NASA's Deep Space Optical Communications (DSOC) experiment has successfully sent a laser-beamed message from deep space to Earth, marking a significant milestone in space communication technology. The message was transmitted from the Psyche spacecraft, which is currently en route to a large metallic asteroid of the same name, located in the asteroid belt between Mars and Jupiter12345678910. The DSOC experiment uses instruments capable of sending and receiving infrared laser light across vast distances. The laser message traveled approximately 10 million miles (16 million kilometers) from the spacecraft to Earth, a distance nearly 40 times greater than the average radius of the Moon's orbit1345678910. This achievement, referred to as "first light," took about 50 seconds to complete458910. The primary objective of the DSOC experiment is to test the potential of laser communication to increase data transmission rates from deep space. This technology could offer significantly higher bandwidth, potentially between 10 and 100 times the bandwidth of conventional radio-based communication systems12345678910. If successful, this could revolutionize the way we communicate with spacecraft and astronauts, enabling the transmission of high-definition imagery, scientific information, and even streaming video12345678910. The DSOC experiment is planned to last two years, during which it will send and receive laser signals from increasingly distant locations on its way to its final destination. By the end of the experiment, it is hoped that it will be able to communicate cleanly from the asteroid belt1.
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