Questions tagged [perseverance]

Perseverance is a NASA Mars rover launched in July 2020 and landed in Jezero crater in February 2021. Use with the [mars] tag when asking about the environment it's in. Use with [ingenuity] when asking about its helicopter drone.

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1answer
91 views

Could Ingenuity use the shadow of its legs for navigation to fly autonomously to the sample cache depot location?

It's summertime now in Jezero crater, and according to the HORIZONS Web-Interface the subsolar latitude for Mars varies between both the end of May and November 2021 from 18.5⁰ N to ~25.5⁰ N and back ...
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Is MOXIE's oxygen ready to breathe or is there CO2 and/or CO that would need to be scrubbed?

MOXIE splits two molecules of martian carbon dioxide into two molecules of carbon monoxide and one molecule of oxygen. Breathing elevated levels of CO2 ranges from unpleasant (to say the least and ...
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How did MOXIE “know” that it produced 5.4 grams of oxygen? Did it measure pressure rise in a container or just vent it? Did it use an oxygen sensor?

CNN's Perseverance rover just made oxygen on Mars is great and welcome news! While Ingenuity has been achieving one "first" on Mars Perseverance was quietly achieving yet another. After ...
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Is CO + O ==> CO2 a possibility for propelling rockets off Mars? [duplicate]

Perseverance, the Mars rover, includes an experiment called MOXIE. This is a technology demonstration to show that Mars' atmospheric carbon dioxide can be broken into carbon monoxide and oxygen. ...
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Who said, “Take that, Jezero!” during the Perseverance landing?

During the Perseverance landing broadcast, many of us heard a voice call out, "Take that, Jezero!" Every article I can find simply identifies the speaker as "a controller" (or just ...
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What is the exposure time of the navigation camera on Ingenuity?

Today's first image from Ingenuity's navigation camera shows a remarkable lack of motion blur in the shadow of the rotors, despite them turning at 2600 RPM: The factsheet tells us: Navigation (NAV) ...
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Local atmospheric pressure and local surface gravity in Jezero crater?

Did Perseverance and/or Ingenuity measure the local atmospheric pressure and local gravity where they are? Ingenuity had been tested in a 0.006 atm chamber on Earth, therefore I guess the local ...
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How did Ingenuity get such a sharp image of the shadow of its own high-speed helicopter blades?

On the NASA released self-picture of Ingenuity, shot while hovering over Mars' surface the shadow of Ingenuity with its blades is very clean. The rotational speed of the blades is said to be around ...
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Might Ingenuity tip over?

While Ingenuity patiently waits for its preflight checks to pass, how likely is it that a wind gust could tip it over? How strong and how rare a gust? Those rotors have plenty of area. (Surely NASA ...
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Did Perseverance get an experimental optical communications terminal?

The video Donald Cornwell plenary talk: NASA's Optical Communications Program: 2015 and Beyond was presented at SPIE Photonics West 2015. It's a great talk and worth the time. Near the end at about <...
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Are there plans to return empty sample containers as an experimental control?

The Perseverance rover contains 43 sample tubes for collecting Martian soil and rock samples that will eventually be returned to Earth. The tubes have been extensively cleaned, so their contents ...
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How cold do Curiosity's & Perseverance's appendages get at night with all those sensitive cameras and lasers?

cropped from PIA19920: Curiosity Self-Portrait at 'Big Sky' Drilling Site MastCam-Z, ChemCam/SuperCam and MAHLI are optical systems and ChemCam includes a telescope and a pulsed laser, but the ...
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(Why) aren't there mission updates for Perseverance like there are for Curiosity?

Mission updates for the Mars Curiosity rover in the first months of the mission starting in August 2012 happened almost every day with detailed information about drive planning, the use of the ...
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Are Perseverance's wheels really this big?

Business Insider's What is it like to drive the Perseverance rover remotely? A NASA engineer explains the challenges of piloting the vehicle's journey across Mars. includes the following: (Heather ...
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Are the Perseverance rover's “drivers” working on Martian sols or Earth days right now?

Business Insider's What is it like to drive the Perseverance rover remotely? A NASA engineer explains the challenges of piloting the vehicle's journey across Mars. includes the following discussion of ...
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Why did NASA release Perseverance (rover) videos with a stop motion effect?

This is the video released by Perseverance (rover): Why did NASA release Perseverance (rover) videos with a stop motion effect?
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How did the Ingenuity helicopter clear tests even without being deployed on Mars?

It looks like the Ingenuity helicopter is not yet deployed. NASA's Ingenuity Mars helicopter clears tests, inches closer to historic first flight in April Source So how did the Ingenuity helicopter ...
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What is inside Perseverance? Is the only scientific payload the bunch of instruments hanging from the arm?

Perseverance weighs about one ton, it is as big as a car. But what is inside the vehicle that weighs so much? Is the payload only the instruments hanging from the arm? Is all the remaining hardware (...
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Are the Perseverance core samples extracted from the drill bit before being stored?

Among other tasks, the Perseverance rover will drill core samples of rocks, which are then stored in sample tubes for their return to Earth. Are the core samples removed from the drill bit before ...
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What eventually happened to the Curiosity/Perseverence cruise stages?

The first event to occur when Curiosity or Perseverance arrived at Mars was the separation of the cruise stage. What were the ultimate destinations of the cruise stages? Continuing on in space? (...
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When the Mars 2020 and Mars Science Laboratory missions were in deep space, what antennas did they have to communicate with Earth?

This thorough answer to Did the Curiosity and Perseverance rover brains do the driving from Earth to Mars? explains that during deep space flight the rovers' computers were doing most of the thinking ...
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Did the Curiosity and Perseverance rover brains do the driving from Earth to Mars?

This interesting answer to Why did NASA intentionally crash-land the Curiosity and Perseverance sky cranes on Mars? leads me to wonder if the Curiosity and Perseverance rover computers were in charge ...
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Could the flyaway of the Curiosity/Perseverance skycrane be aimed in a particular direction?

The Perseverance rover is collecting samples of Martian rocks and soil, which will be picked up and returned to Earth on a future mission. In this comment to another question, I note that the sample ...
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How to filter NASA MARS2020/Perseverance raw images by altitude and azimuth of mastcam?

This URL allows querying NASA RSS API for Perseverance raw images: https://mars.nasa.gov/rss/api/?feed=raw_images&category=mars2020&feedtype=json&page=0&num=50&order=sol+asc&...
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Would Ingenuity's cameras be capable to spot and/or make close-ups of possible biosignatures?

Mars Helicopter Technology Demonstrator mentions on page 13/14 the sensors that Ingenuity carries, among them two cameras: Navigation (NAV) Camera. This is a global-shutter, nadir pointed grayscale ...
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Did the Mars 2020 Mission do any science that wasn't done by Perseverance proper?

Per answers to What is the equivalent of Curiosity's "MSL" in the context of Perseverance? What's the official name of the mission? Are the distinctions similar? Where does MSL end ...
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Sending Mars rover to the Moon

What would happen if a Mars rover (let it be Sojourner, Spirit, Opportunity, Curiosity or Perseverance) would be sent to the Moon instead of the Mars? Let's not deal with the landing and let's ...
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What are those plastic hoses on Perseverance used for?

I've been trying to find out what this plastic tube is for that got cut during descent. It's a single tube so as far as l can tell not a loop. It ends in the lower right corner of the body (in the ...
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Did the rovers' cruise balance masses have a noticeable impact on Mars?

Perseverance (2021) and Curiosity (2012) each ejected, among many other things, two tungsten "cruise balance masses" before reaching Mars's atmosphere, each about 70 kg. Were their impacts ...
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How heavy were Perseverance's balance masses?

Perseverance ejected two 70 kg "cruise balance masses" just before it became an airplane, to move its center of mass off axis and increase its angle of attack from 0° to about 16° to make it ...
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Lowering the Rover from the Skycrane

During the earth to mars cruise and until the Skycrane lowering system was initiated Perseverance must have been attached to the SC frame and presumably released by frangible bolts...my question is: ...
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Difference between “mafic floor” and “olivine-bearing floor” in Jezero crater? (Perseverance landing site)

Figure 3: Main geologic units within Jezero crater shown on a basemap constructed from images from the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance ...
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Why Perseverance's landing ellipse straddled the cliffs in the river delta; why so ambivalent about the two different geologies?

The Perseverance landing site has now been named for Octavia E. Butler and from here there will be a meandering climb to get up on top of the "cliffs" that are in the delta. I think that ...
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Perseverance drove for the first time on Mars ! (on Sol 14) Can I find somewhere how much and in what direction?

Image Credit: NASA/JPL-Caltech. The image was acquired on March 6, 2021. (Sol 15) Click on the image, and then again, for a closer view. Is there an (interactive) map that shows the route the ...
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Heating Perseverance components prior to deployment

How is the heat generated by the MMRTG distributed to the operational parts of Perseverance prior to deployment?
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Why did Curiosity not have a camera on board to record the landing?

So we've had a question asking why Perseverance had a camera to record the landing and one asking if Curiosity did, but I can't find any information about why Curiosity did not have a camera on board ...
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Did the Perseverance and Curiosity skycranes land gently, or did they crash?

I don't think I found any references as to further fate of the skycranes after detaching the rovers other than them "flying away" from the rover. Does NASA make any minimal effort to land ...
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Is Perseverance unable to move?

The wheels show no sign of use, there are no wheel tracks in any of the raw images, and the where-is-the-rover page shows no movement from Sol 0. Why not?
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How long will the “Send Your Name to Mars” chips aboard the Mars Landers and Rovers last?

I'm talking about the Chips NASA has placed on Curiosity, InSight and Perseverance: You could enter you name on https://mars.nasa.gov/participate/send-your-name/future and NASA etched your name on ...
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What is all this about? (photo of several small cup-like structures on top of Perseverance)

I have been trying to figure out what this arrangement is for. Could it be where the mast had its 'face' buried prior to deployment? The various cups seem to fit exactly with lenses and positioning ...
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Can anything at Mars speak 900 MHz ZigBee besides Ingenuity helicopter and Perseverance rover?

Interest is piqued by What could be strong arguments against Ingenuity following Perseverance at a safe distance when the flight test program has been a success? Question: Can anything at Mars ...
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What could be strong arguments against Ingenuity following Perseverance at a safe distance when the flight test program has been a success?

This answer to the question "How long could the Mars helicopter Ingenuity keep up with the Perseverance rover if it wanted to?" reasons that indeed it could for years ! But according to the ...
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Curiosity and Perseverance landing - with so much dust blown everywhere, what's the point of the skycrane?

Curiosity and Perseverance were landed using the rather complex skycrane system because it would prevent the rockets from contaminating the landing site. But the video shows a great deal of dust being ...
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Did the Perseverance sky crane kick up more dust than expected?

The video of the Perseverance landing showed the rover descending into a cloud of dust kicked up by the landing rockets. This is not surprising, but I always had the understanding that one of the ...
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Why does the Perseverance landing site have three close bright dots in a line, with a perpendicular dark streak?

The February 27 Astronomy Picture of the Day has a picture of the Perseverance landing region taken by the Mars Reconnaissance Orbiter. The landing site itself has a distinctive look: The left image ...
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Perseverance landing and the skycrane [duplicate]

I have a question about the skycrane which helped Perseverance NASA landing. In the image below, why there is not something like fire at the mentioned exhausts (I don't know whether exhaust word is ...
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Download all Perseverance Raw Images

I want to make an archive of all the Raw Images Percy will make during her mission. I would love to have separate folders for each Sol. The plan is to run a script which then grabs the images from the ...
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Why did the communication cable of the Perseverance rover make an angle so great with the other three cables? [closed]

How can you explain the weird position of the communication cable in the image below? The Perseverance about 20 meters above the surface of Mars. The communication cable, between the rover and its ...
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A mysterious flash of light on the surface of Mars while the Perseverance rover was landing. What can it be? [closed]

A mysterious light that lasted a fraction of a second appeared on the surface of Mars while the Perseverance rover was descending. What can its source be? See: Perseverance Rover’s Descent and ...
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What's causing this stippling effect in photos from Perseverance's down-look camera?

I was taking a look at some of the raw Mars 2020 images and downloaded a few of them. For some of the photos from the down-look camera, if you zoom into them, there's a stippling/grid pattern in the ...