ORLANDO, Fla., Feb. 18 (UPI) — NASA’s Mars rover Perseverance made a dangerous, robotic landing on Mars on Thursday, starting a high-tech mission to hunt for signs of life in an ancient lakebed.
The landing at roughly 3:55 p.m. EST marked the fifth NASA rover to successfully reach Mars. The mission is designed to be the first of three that may return rock samples to Earth in about 10 years.
The rover sent a series of brief, basic signals back to Earth. After an 11-minute journey through space, those signals told NASA control room technicians the rover was safe.
“Touchdown confirmed,” said Swati Mohan, NASA’s operations lead for the landing. “Perseverance is safely on the surface of Mars ready to begin seeking the signs of past life.”
“I mean just what an amazing team to work for all the adversity that goes and all the challenges that go with landing a rover on Mars. Plus, the challenges of COVID, and just an amazing accomplishment,” said NASA Acting Administrator Steve Jurczyk.
The spacecraft, launched from Kennedy Space Center in Florida, traveled more than 290 million miles miles over 203 days to get to the Red Planet, and its landing was monitored by scientists all over the world.
About an hour ahead of the planned landing time, controllers at NASA’s Jet Propulsion Laboratory in Pasadena, Calif. stopped transmitting signals to the spacecraft. After that, it was flying autonomously.
The landing maneuvers began when the spacecraft reached the edge of the Martian atmosphere while traveling at some 12,500 mph. Perseverance then will uses its heat shield, parachutes and thrusters to make the landing.
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During the landing, the rover slowed down to just a couple miles an hour, “all in about seven minutes,” said Matt Wallace, the mission’s deputy project manager.
For about 90 seconds, the spacecraft plunged directly into the atmosphere, covered by its heat shield and backshell. Then, a series of ballast weights dropped to achieve a precise angle that helped the craft steer toward its landing site in Jezero Crater.
A single, large parachute slowed Perseverance to about 150 mph. The rover then separated from the parachute and shield covering its backside and fired descent stage engines.
As the descent stage leveled out, the rover’s final descent was about 1.7 mph, after which Perseverance made its “skycrane” maneuver and dropped to the surface.
For the next few hours, NASA will test systems and ensure that the rover arrived intact. The space agency will be broadcasting live to announce the result and plans a news briefing about 5:30 p.m. EST for more details.
Perseverance is “the biggest, heaviest, and most complex rover we’ve ever built” and the Jezero Crater destination “the most dangerous landing site we’ve ever attempted, said Alan Chen, NASA’s lead engineer for the landing process.
“We’re ready to roll, you’ve done everything right,” Chen told the control room crew leading up to the landing.
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