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Lowering Perseverance to Mars
NASA started a new chapter in its space exploration history book with the safe landing of the Perseverance rover on Mars on Feb. 18, 2021. This stunning image shows the rover as it was lowered to the surface using what’s called a “sky crane” maneuver. This could become an iconic image when it comes to humanity’s efforts to investigate our solar system.
Perseverance is on a mission to seek out signs of ancient microbial life, and collect samples that could one day be brought back to Earth. The rover didn’t travel alone. It has a helicopter companion, Ingenuity.
2 of 42 NASA/JPL-Caltech/MSSS
Mars selfie with Ingenuity
Perseverance stands out in this April 6, 2021, selfie that also features the Ingenuity Mars helicopter.
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‘Butt crack rock’
NASA’s Mars rovers have a knack for taking pictures of funny-looking rocks. This one, dubbed “butt crack rock” for obvious reasons, is one. Perseverance snapped it in early June 2021, leading to much mirth on social media.
4 of 42 NASA/JPL-Caltech
First sample attempt
This drill hole was supposed to give the Perseverance rover its first rock sample in August 2021, but all that resulted was an empty tube. As it turned out, the rock was too crumbly to collect. The rover later went on to drill its first successful core samples, from a sturdier source.
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First rock core samples
This rock, nicknamed “Rochette,” has two holes in it that represent Perseverance’s first successful core samples. The rover collected the samples in September 2021 and sealed them into tubes for safekeeping. They could one day be brought back to Earth through a future NASA mission.
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This close-up look shows Perseverance’s first rock core sample, which the rover collected in early September 2021. After the first sample attempt crumbled, NASA wanted to make sure this pencil-size piece of rock was in the right place before Perseverance stowed it away.
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Percy sees Ingenuity
The Perseverance rover caught sight of its chopper buddy on Sept. 4, 2021. The red circle marks the spot where Ingenuity sat in the distance. The rotorcraft has completed more than a dozen successful flights.
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Ingenuity sees its shadow
NASA’s Ingenuity Mars helicopter spotted its own shadow during its 13th flight on the red planet, in early September 2021. The rotorcraft proved that powered, controlled flight was possible on another planet. It then went and repeated the feat multiple times as it took on a new mission of scouting the landscape for the Perseverance rover.
9 of 42 NASA/JPL-Caltech/ASU
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Perseverance snapped this image of the Ingenuity helicopter on Mar. 28, 2021, near the beginning of the deployment process. This was at a time when it was uncertain if the chopper would work on Mars. It ended up a spectacular success.
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Funky Mars boulder
NASA’s Perseverance rover snapped this view of a boulder on Mars on June 11, 2021. The rock resembles a walrus, a seal or even a banana slug.
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Perseverance rover first view of Mars
NASA’s Perseverance rover sent back its first look at the surface of Mars on Feb. 18, 2021 with a low-resolution shot from an engineering camera. This view highlighted the dusty and rocky surface of the red planet within the Jezero Crater, a region that has a fascinating history of water in its deep past.
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Perseverance rover wheel
14 of 42 NASA/JPL-Caltech/ASU
NASA’s Perseverance rover snapped a view of this odd rock on March 28, 2021. If you look closely just to the right of center, you can see a series of tiny marks where the rover’s laser zapped it. Scientists were interested in the possible origin of the rock, which might be volcanic in nature.
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Hello there, Mars
The Perseverance rover has plenty of opportunities to look around and scope out the surrounding landscape, which shows off some pretty typical Mars sights of dust, dirt and rocks.
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The Perseverance rover spent time snapping pictures of its body parts after landing. This image shows the Mars Environmental Dynamics Analyzer, an instrument that takes weather measurements and studies dust particles.
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Perseverance’s view across the Jezero Crater from early in its mission included this scenic delta area.
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19 of 42 NASA/JPL-Caltech/University of Arizona
MRO view of Percy landing site
NASA’s Mars Reconnaissance Orbiter snapped an image of Mars showing Perseverance and all the assorted bits used and discarded during the landing process. The orbiting spacecraft gives us a different perspective on the landing site in Jezero Crater. Annotations show the locations of the parachute, descent stage, rover and heat shield.
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Goodbye to Percy’s heat shield
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Farewell to the descent stage
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Piece of a panorama
This image shows a small section of the rover’s first high-definition panorama, which NASA stitched together from 142 separate images. The full panorama shows a sweeping view of the landscape and the distant walls of Jezero Crater.
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Deck of Perseverance
The Perseverance rover snapped a look at its deck and stowed arm on Feb. 20, 2021. The vehicle was looking pretty clean just a couple of days after its arrival on dusty Mars.
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Artist’s rendering of Perseverance on Mars
NASA sent its Perseverance rover to collect samples, search for signs of past microbial life and even unleash an experimental helicopter. This illustration helped build excitement for the mission before we got our first selfie.
Perseverance launched on July 30, 2020, kicking off a months-long journey through space. Landing was a tense process, but Perseverance joined Curiosity as NASA’s only functioning rovers on Mars.
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Mars 2020 becomes Perseverance
26 of 42 NASA/Joel Kowsky
NASA’s Perseverance rover hitched a ride into space on July 30, 2020, on a United Launch Alliance Atlas V rocket. The rover took months to reach Mars before touching down on the red planet in February 2021.
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The Perseverance rover is the size of a small car. Its “head” holds cameras on top of a necklike mast. These act as the rover’s eyes, helping it record the Martian surface, look ahead for hazards and snap gorgeous landscape views. This design gives the rover “a human-scale view,” according to NASA.
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NASA view of Mars
29 of 42 NASA/JPL-Caltech/MSSS/JHU-APL
NASA’s Perseverance rover touched down in a previously unexplored part of Mars called Jezero Crater. The space agency announced the winning landing site in late 2018.
This Mars Reconnaissance Orbiter image shows the Jezero Crater delta region. “The landing site in Jezero Crater offers geologically rich terrain, with landforms reaching as far back as 3.6 billion years old, that could potentially answer important questions in planetary evolution and astrobiology,” said NASA’s Thomas Zurbuchen.
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Put your wheels in the air like you just don’t care. NASA’s rover team put the Perseverance rover through a series of tests during its final preparations in April 2020. These tests included balancing the rover, a concept similar to balancing a car’s wheels. NASA added weight to the rover chassis to achieve this.
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Mars is a tough landscape. It’s sandy and rocky and can be punishing on a rover’s wheels, as the Curiosity rover knows. Perseverance’s six aluminum wheels are made with cleats that give them traction in tricky surface conditions. Each wheel is 20.7 inches (52.5 centimeters) in diameter.
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One of the wildest aspects of the Perseverance mission is that it includes a helicopter. The small helicopter, named Ingenuity, rode in under the rover’s belly before being placed on the Martian ground in April 2021.
This image shows the flight model of the helicopter in early 2019. NASA considered Ingenuity a high-risk, high-reward technology demonstration. When it finally took off, it marked a stunning achievement in flight on another planet.
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In April 2020, NASA tucked the Mars Ingenuity helicopter into the belly of the Perseverance rover. The Mars-copter was protected by a shell during the descent to the planet’s surface in February 2021.
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Perseverance carries 11 million names
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What’s in a nameplate
The Perseverance rover won’t ever forget its own name. It’s wearing a titanium nameplate that’s not just decorative. “The plate serves as a rock and debris shield to protect a flexible cable that carries power and data from computers in the rover’s body to actuators in the arm, as well as to the instruments and the drill in the turret,” NASA said.
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NASA’s Perseverance rover will be doing a lot of sampling of Mars. In May 2020, engineers installed a set of sample tubes into the rover’s belly. “Each tube is sheathed in a gold-colored cylindrical enclosure to protect it from contamination,” NASA said.
Perseverance collected it first rock samples in September 2021, but it’ll be up to a future Mars mission to pick them up. NASA hopes to collect at least a dozen samples and eventually bring them to Earth for study.
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Perseverance is looking for signs of past microbial life in the Jezero Crater on Mars. This photo shows a collection of stromatolites, rounded accumulations of fossilized microbes and sediment, found right here on Earth, in Nevada.
“Scientists hope to find something similar in the dry lakebed Perseverance will be exploring on Mars,” said NASA.
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Atlas V preps for rover launch
It takes a big rocket to get off this rock. This United Launch Alliance Atlas V booster escorted NASA’s Perseverance rover into space from Florida in July 2020. This look at the Atlas V comes from late May 2020 at Cape Canaveral.
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Mars 2020 descent stage
NASA shared this look at the rocket-powered rover descent stage in 2018. This crucial component of the landing system helped to slow the rover’s arrival and then lowered the vehicle to the surface using a “sky crane” maneuver.
“Nylon cords spool out to lower the rover 25 feet (7.6 meters) below the descent stage; When the spacecraft senses touchdown at Jezero Crater, the connecting cords are severed and the descent stage flies off,” NASA said in describing the landing process.
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Perseverance with descent stage
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Perseverance rover back shell
To safely land a rover on Mars, you need a lot of specialized equipment. The bowl-shaped back shell kept the Perseverance rover protected as it entered the Martian atmosphere.
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NASA wanted its Perseverance rover to have a pleasant and gentle arrival on Mars in February 2021. To make that happen, it needed a big parachute. This still image came from a September 2018 test that mimicked the conditions of Mars.
The successful test was one in a series and gave NASA confidence in the parachute system. “It was the fastest inflation in history of a parachute this size and created a peak load of almost 70,000 pounds of force,” NASA said.