
NASA prepares most sophisticated Mars rover for ‘dangerous’ landing
ORLANDO, Fla., Jan. 27 (UPI) -- NASA will spend the next three weeks preparing its biggest and most sophisticated Mars rover, Perseverance, to make a dangerous seven-minute landing Feb. 18 on the Red Planet. At stake is a multinational effort to find evidence of life on Mars and the planned return of rock samples the rover will drill out of the Martian surface. Advertisement The rover and its landing system have an updated system called terrain relative navigation. The last NASA rover mission to Mars, Curiosity in 2012, had a similar system, but Perseverance's is better -- using its computer brain, maps and cameras to pick a safe landing site, said Allen Chen, a lead engineer on the mission. The landing process "is replete with danger," Chen said in a briefing for the media Wednesday. "Th...