Transcript for Mona Lisa Sent to the Moon
NASA scientists routinely use lasers to track the position of the lunar reconnaissance orbiter laser altimeter as it orbits the moon. Recently however they also tried something a little different. In addition to tracking instrument to use the -- to send a picture of the famous Mona Lisa in the first demonstration of laser communication with a satellite the -- To do this -- -- routine use the existing laser tracking signal sent by the next generation satellite laser ranging station at NASA's Goddard Space Flight Center. The image was divided -- pixels which were then sent to the spacecraft one at a time but every time in the regular tracking -- By delaying the tracking polls is by specific amounts other scientists could use the difference between the expected arrival time in the actual -- time to indicate the brightness of an individual -- Once the image percent scientist corrected for transmission errors caused by the Earth's atmosphere using common techniques used in CDs and dvds. They also studied signal fluctuations due to Earth's atmosphere. The final image was verified when it was returned to earth using Ella rose radio telemetry system. This test and the data obtained from sets the stage for future high Gatorade laser communication demonstrations that will be a central feature of NASA's next moon mission. The lunar atmosphere and dust environment explore. So while laces are currently being used to track NASA satellites in the future they may also be used to communicate with -- not only data. Perhaps images that one day -- be as famous as the Mona Lisa. And.
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