The Perseverance Rover has Lost its Pet Rock

NASA's Mars Perseverance rover acquired this image of a rock inside the rover's wheel, along with the area in front of it using its onboard Front Left Hazard Avoidance Camera A. This image was acquired on May 26, 2022 (Sol 449). Image Credit: NASA/JPL-Caltech

It’s the end of an era, at least for the Perseverance rover on Mars, who has lost a long-time friend.

For 427 sols or days on Mars, Perseverance has been carrying around a rock in one of its wheels.  We’ve been following the saga of this pet rock, which for over a year has stuck with Perseverance over the hills and sands of the Martian landscape.

However, according to Dr. Gwénaël Caravaca, who works with the rover’s SuperCam instrument, the team found out overnight in the latest Hazcam image that the rock has been lost.

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Fly Around Jezero Crater on Mars in This New Video

Image of the region around Jezero Crater. Credit: NASA/JPL.

There’s a reason Jezero Crater was chosen as the landing site for the Perseverance Rover: it is considered one of the likeliest places to find any evidence if Mars was ever habitable for long periods of time. In this great new flyby video from ESA, you can get a birds-eye look at Perseverance’s home.

Created from data ESA’s Mars Express and NASA’s Mars Reconnaissance Orbiter, the video takes you on an aerial tour of the crater. From this perspective, you can see the water features in this ancient impact crater and understand why this was considered one of the best places to explore Mars.

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Perseverance Watches Carefully as Ingenuity Lifts Off for its 47th Flight

This image taken by the Perseverance rover of the Ingenuity helicopter is a composite of a single Left- and Right-Mastcam-Z camera photo, both taken at a local mean solar time of 2:25 pm Wednesday, 8 March 2023. Credit: NASA/JPL-Caltech/ASU.
This image taken by the Perseverance rover of the Ingenuity helicopter is a composite of a single Left- and Right-Mastcam-Z camera photo, both taken at a local mean solar time of 2:25 pm Wednesday, 8 March 2023. Credit: NASA/JPL-Caltech/ASU.

In some of the best footage yet, the Perseverance rover has taken new video of the Ingenuity helicopter taking off and flying over Mars’ surface.

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Follow Perseverance on Its Mars Journey With This Two-Year Timelapse

Looking Back at Perseverance's Second Science Campaign: This image of the floor of Jezero Crater was taken by one of the Navcam imagers aboard NASA’s Perseverance Mars rover on Feb. 5, 2023, the 698th Martian day, or sol, of the mission. Credits: NASA/JPL-Caltech.

Hard to believe, but the Perseverance Rover has begun its third year exploring Mars. On Feb. 18, 2021,  Perseverance rover survived the harrowing landing at Jezero Crater, and almost immediately, began an expedition to collect a geologically diverse set of rock samples, ones that could help answer the question if Mars once had ancient microbial life.

JPL and NASA put together a wonderful two-year animation of images from the rover’s Front Left Hazard Avoidance Camera to celebrate Percy’s landing anniversary.

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Europe Will be Building the Transfer Arm for the Mars Sample Return Mission

The concept for a Mars lander with a Sample Transfer Arm to retrieve and bring samples of Mars dirt and rocks to Earth. Credit: ESA.

Now that the Perseverance rover has dropped off ten regolith and rock sample tubes for a future sample return mission to retrieve, the plans for such a mission are coming together. The mission is a joint venture between NASA and the European Space Agency, and ESA has agreed to build a 2.5-meter-long robotic arm to pick up tubes and then transfer them to a rocket for the first-ever Mars samples to be brought to Earth.

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Perseverance Takes a Selfie to Show off Some of its Samples

The Perseverance Mars rover took this selfie with several of the 10 sample tubes it deposited on the Image Credit: NASA/JPL-Caltech/MSSS.

One of the main jobs for the Perseverance Mars rover past few weeks has been collecting carefully selected samples of Mars rock and soil. These samples have been placed and sealed in special sample tubes and left in well-identified places so that a future sample return mission can collect them and bring the Martian samples back to Earth.

Perseverance has now dropped 10 sample tubes and to celebrate, it took a couple of selfies with several of the sample tubes visible in the designated ‘sample depot’ it is creating within an area of Jezero Crater. The area of the depot is nicknamed “Three Forks.”

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Perseverance Heard a Dust Devil on Mars, and Now You Can Too

NASA's Perseverance Mars rover used one of its navigation cameras to capture these dust devils swirling across Jezero Crater on July 20, 2021, the 148th Martian day, or sol, of the mission. Credit: NASA/JPL-Caltech/SSI

For years, we’ve seen images from various Mars rovers and landers of dust devils churning across the dusty landscape of the Red Planet. But now, thanks to a microphone on the Perseverance rover and a whirling dust storm that passed directly over the rover, we know what a dust devil on Mars sounds like, too.

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A Small Piece of “Foreign Object Debris” Fell off Ingenuity’s Leg During its 33rd Flight

A small piece of foreign object debris (FOD) is seen in this image from the navigation camera of NASA's Ingenuity Mars Helicopter during its 33rd flight on Mars on Sept 24, 2022. Credit: NASA/JPL-Caltech.

We hope this is just as inconsequential as having a piece of toilet paper stuck to your shoe, but images from the Ingenuity helicopter show it had a piece of debris fluttering from its leg during its most recent flight. A blog post from NASA said a small piece of foreign object debris (FOD) was seen in footage from the Mars helicopter’s navigation camera (Navcam) for a portion of its 33rd flight on September 24, 2022.

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Perseverance has Found a ‘Cat Hair’ in its Drill Chuck. What is it?

NASA's Mars Perseverance rover acquired this image using its SHERLOC WATSON camera, located on the turret at the end of the rover's robotic arm. This image was acquired on Aug. 4, 2022 (Sol 517). Credits: NASA/JPL-Caltech. Credits: NASA/JPL-Caltech.

After each use of one of the tools at the end of the Perseverance rover’s arm, the mission’s engineering team always takes images of the tool to make sure everything is still in working order.

Last week the rover’s drill was used to take a core sample from a rock – the 12th such sample that has now been stored and sealed for possible future retrieval in a proposed sample return mission. The team then took images of the drill and sample collection system components. In those images, two small pieces of debris were visible: a small object on the coring bit (which is stored in the bit carousel) and a small hair-like object on the drill chuck.

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A Look Inside One of Perseverance’s Core Holes

A look inside the drill hole from the Perseverance rover's core sample drill. This image is a "focus merge" combination of available non-partial images. NASA/JPL-Caltech/Kevin M. Gill.

Here’s one of the best views you’ll ever see of the insides of a rock on Mars. The hole was made by the Perseverance rover’s drill, a rotary percussive drill designed to extract rock core samples from the surface of Mars. After the sample was taken, Perseverance rover acquired this image using its SHERLOC WATSON camera to take a close-up view of the hole.

This is such a clear image because image editing expert Kevin Gill used a technique called focus merge to get the best view possible. A “focus merge” uses a series of images taken at different focuses, stacks them up and uses whichever pixels are the sharpest. You can see a larger version on Kevin’s Flickr page.

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