Edmonton Journal

NASA JOB OPENING: PLANET PROTECTION OFFICER

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There’s a vacancy at NASA, and it may have one of the greatest job titles ever conceived: planetary protection officer.

It pays well, between US$124,000 and US$187,000 annually. You get to work with really smart people as part of the three- to five-year appointmen­t but don’t have to manage anyone. And your work could stave off an alien invasion of Earth or, more important, protect other planets from us.

U.S. President Donald Trump has expressed enthusiasm for America’s space program, signing an executive order last month resurrecti­ng the National Space Council, on hiatus since the 1990s, and discussing the prospect of sending people to Mars. His proposed budget for NASA seeks a slight funding reduction overall, though he wants to realign spending to focus on “deep space exploratio­n rather than Earthcentr­ic research.”

So how does the one-person Planetary Protection Office fit in with NASA’s broader objectives?

The job announceme­nt is rather dense. But Catharine Conley, the NASA scientist who has been in this role for three years, has spoken candidly about its scope, telling Scientific American in 2014 that her focus is to ensure that the agency’s activity complies with a 50-year-old internatio­nal treaty that set standards for preventing biological contaminat­ion outside of Earth and safeguardi­ng the planet’s biosphere from any alien life.

The magazine asked Conley a lot about Mars, where NASA has deployed explorator­y robots since the mid-1970s to find clues about the existence of water, prospects for habitabili­ty and any existence of life. The earliest missions, part of NASA’s Viking program, included meticulous steps to not sully the Martian landscape, she said.

“The landers,” Conley explained, “were packaged and put inside a bioshield and baked in an oven to kill all organisms — a ‘full-system sterilizat­ion,’ we call it . ... We needed to protect the life-detection instrument­s and protect the Mars environmen­t in case it turned out to be habitable to Earth life.”

Environmen­tal and atmospheri­c samples may hold important answers, “ostensibly to seek out signs of aliens,” as Business Insider’s Dave Mosher writes. But sending anything from Mars back to labs here on Earth presents risk. The planetary protection officer will be instrument­al in creating the tools and rules to reduce it.

WE NEEDED TO PROTECT THE ... INSTRUMENT­S AND THE MARS ENVIRONMEN­T.

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