Thu. Feb 25th, 2021
Mars Rover Perseverance Beams Back Selfie from Moment Before Landing

NASA scientists on Friday presented striking early photographs from the image-best landing of the Mars rover Perseverance, which include a selfie of the 6-wheeled car dangling just over the surface of the Red Planet moments just before touchdown.

The color photograph, most likely to grow to be an instantaneous traditional amid memorable photographs from the background of spaceflight, was snapped by a camera mounted on the rocket-powered “sky crane” descent-stage just over the rover as the motor vehicle-sized area car was getting lowered on Thursday to Martian soil.

The picture was unveiled by mission managers throughout an on-line information briefing webcast from NASA’s Jet Propulsion Laboratory (JPL) close to Los Angeles much less than 24 hrs immediately after the landing.

The image, hunting down on the rover, demonstrates the complete car suspended from 3 cables unspooled from the sky crane, along with an “umbilical” communications cord. Swirls of dust kicked up by the crane’s rocket thrusters are also noticeable.

Seconds later on, the rover was gently planted on its wheels, its tethers have been severed, and the sky crane – its task finished – flew off to crash a protected distance away, even though not just before images and other information collected throughout the descent have been transmitted to the rover for safekeeping.

The picture of the dangling science lab, striking for its clarity and sense of movement, marks the initially this kind of near-up photograph of a spacecraft landing on Mars, or any planet past Earth.

“This is a thing we have hardly ever noticed just before,” Aaron Stehura, a deputy lead for the mission’s descent and landing group, describing himself and colleagues as “awe-struck” when initially viewing the picture.

Promptly Iconic

Adam Steltzner, chief engineer for the Perseverance venture at JPL, stated he located the picture instantaneously iconic, comparable to the shot of Apollo eleven astronaut Buzz Aldrin standing on the moon in 1969, or the Voyager one probe’s photographs of Saturn in 1980.

He stated the viewer is linked with a landmark minute representing many years of do the job by 1000’s of folks.

“You are brought to the surface of Mars. You happen to be sitting there, 7 meters off the surface of the rover hunting down,” he stated. “It can be certainly exhilarating, and it is evocative of individuals other photographs from our working experience as human beings moving out into our solar process.”

The picture was taken at the extremely finish of the so-named “7-minutes-of-terror” descent sequence that brought Perseverance from the top rated of Mars’ ambiance, traveling at twelve,000 miles per hour, to a gentle touchdown on the floor of a huge basin named the Jezero Crater.

Up coming week, NASA hopes to current extra images and video – some probably with audio – taken by all 6 cameras affixed to the descending spacecraft, exhibiting extra of the sky crane maneuvers, as nicely as the supersonic parachute deployment that preceded it.

Pauline Hwang, strategic mission manager, stated the rover itself “is carrying out excellent and is balanced on the surface of Mars, and continues to be really practical and magnificent.”

The car landed about two kilometers from tall cliffs at the base of a ancient river delta carved into the corner of the crater billions of many years in the past, when Mars was warmer, wetter and presumably hospitable to daily life.

Scientists say the web-site is great for pursuing Perseverance’s major aim – hunting for fossilized traces of microbial daily life preserved in sediments believed to have been deposited all-around the delta and the lengthy-vanished lake it after fed.

Samples of rock drilled from the Martian soil are to be stored on the surface for eventual retrieval and delivery to Earth by two long term robotic missions to the Red Planet, as early as 2031.

One more colour photograph published on Friday, captured moments immediately after the rover’s arrival, demonstrates a rocky expanse of terrain all-around the landing web-site and what seem to be the delta cliffs in the distance.

The mission’s surface group will devote the coming days and weeks unfastening, unfurling and testing the vehicle’s robot arm, communication antennae and other tools, aligning instruments and upgrading the rover’s computer software, Hwang stated.

She stated it would be about 9 “sols,” or Martian days, just before the rover is prepared for its initially check spin.

1 of Perseverance’s duties just before embarking on its search for indications of microbial daily life will be to deploy a miniature helicopter it carried to Mars for an unprecedented extraterrestrial check flight. But Hwang stated that energy was even now about two months away.

© Thomson Reuters 2021


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