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”NASA’s “Send Your Name to Mars” campaign invited people around the world to submit their names to ride aboard the agency’s next rover to the Red Planet. Some 10,932,295 people did just that. The names were stenciled by electron beam onto three fingernail-sized silicon chips, along with the essays of the 155 finalists in NASA’s “Name the Rover” contest. The chips were then were attached to an aluminum plate on NASA’s Perseverance Mars rover at Kennedy Space Center in Florida on March 16.” Perseverance landed at Jezero Crater on Feb. 18, 2021.
”Engineers at NASA’s Jet Propulsion Laboratory stenciled the names onto the chips using an electron beam. The “E-beam” machine they used allows the writing of very tiny features: less than 1 micron, much less than the width of a human hair. They normally use this machine for high-precision fabrication in JPL’s Microdevices Laboratory.”
AUDIO SOUNDS FROM MARS:
This set of sounds from the surface of Mars were recorded by the microphone on the side of NASA’s Perseverance Rover on Feb. 20, 2021. In the first set, sounds from the rover itself dominate. In the second set, the sound was filtered to make sounds from Mars more audible. You can hear a little wind in the second set.
10.9 Million Names Now Aboard NASA’s Perseverance Mars Rover – NASA’s Mars Exploration Program