国家航天局：天问一号将于近期择机实施着陆 163.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from 163.com Daily Mail and Mail on Sunday newspapers.
Mars landing: when did NASA first land on the Red Planet and how many rovers like Perseverance are on its surface? scotsman.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scotsman.com Daily Mail and Mail on Sunday newspapers.
NASA’s Mars rover, Perseverance, aims for dicey landing to search for ancient life Joel Achenbach, Ben Guarino, Christian Davenport, Aaron Steckelberg NASA s Perseverance rover will do more than probe the surface of Mars: It will also test technologies that someday could be used on Mars by astronauts. (NASA/JPL-Caltech/EPA-EFE/Shutterstock) They call it the “seven minutes of terror,” which doesn’t do justice to the weeks of anxiety, troubleshooting, second-guessing, sleepless nights the mental cataloguing of all that could go wrong and all that must go exactly right. One cataloger is Matt Wallace, deputy project manager for NASA’s Perseverance rover mission. He has a simple way of describing what the space agency expects him and his fellow engineers to do: “Land a car on Mars.”
In one of the hardest technological feats human beings have ever attempted, the spacecraft carrying Perseverance is expected to arrive on Thursday at Mars at 12,000 miles per hour — six times faster than a bullet shot from an M16 — in what amounts to a controlled collision.
pers 2 - U S - Stripes stripes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from stripes.com Daily Mail and Mail on Sunday newspapers.