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Why Mars matters


Why Mars matters
Mar 03,2021 - Last updated at Mar 03,2021
NEW YORK    The Perseverance rover, which landed on Mars this month, marks a new leap toward answering fundamental questions about our solar system, including where else we might find DNA. The rover will roam the surface of Mars looking for signs of life, make its own oxygen, launch a helicopter, and collect soil and rocks for a follow-up mission in 2028. If all goes as planned, NASA, with the help of European Space Agency (ESA) spacecraft, will return soil samples in the spring of 2032, the first Martian material to visit Earth.
Finding DNA on Mars would not be a complete surprise. Though Perseverance was constructed in the Spacecraft Assembly Facility (SAF) clean room at NASA’s Jet Propulsion Laboratory (JPL), even that setting cannot be made 100 per cent free of background microbial or human DNA. We have known about “microbial hitchhikers” since the very first interplanetary missions in the 1960s, w ....

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What it takes to get a job building robotic Mars explorers for NASA


However, this expedition has been in the works for far longer than
Perseverance has been traveling through interplanetary space. First announced in 2012, the mission marks the culmination of nearly a decade’s work by hundreds of machinists, designers, rocket scientists and engineers at NASA’s Jet Propulsion Lab. But not just anyone can get hired there, working for the world’s premiere spacecraft production facility and building equipment that will grace the surfaces of neighboring planets.
For Mohamed Abid, a Deputy Chief Mechanical Engineer on the Mars 2020 mission, the path to working at the JPL began in Tunisia, where he grew up. “After high school, I did my master and undergrad in Europe,” he explained to Engadget. “Then I came here to the US for my PhD.” Getting good grades obviously helped elevate his chances of landing a position at the JPL, Abid asserted, but “having internships, participating in internships, was really paramount. It gave me what I ....

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