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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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What would be the disadvantages in Ingenuity accompanying 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 ...
Cornelis's user avatar
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Is there anything that could speak 900 MHz ZigBee that could hear Ingenuity helicopter besides the 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, or ...
uhoh's user avatar
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Is Perseverance's heat shield's thickness radially symmetric?

I came across this video1 about the Mars 2020 Perseverance rover mission, especially the atmospheric entry phase. It says between about 03:50 and ...
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Why are Perseverance's wheels flatter?

As visible in the image above (and as most of you would have noticed!) the wheels on the upcoming NASA/JPL rover Perseverance seems to be largely different from Curiosity's wheels. A notable ...
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What are the maximum data capacities of the active rovers on Mars?

Many rovers have been sent to Mars and, as now, some are still working there. Does anyone know the maximum data capacity of each active rover? Curiosity Perseverance Zhurong
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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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Did they figure out what caused the "high-pitched scratching noise" that Perseverance recorded with its microphone? Was it static discharge?

In NASA's SoundCloud account there is Sounds of Perseverance Mars Rover Driving – Sol 16 (16 minutes) (for example between 01:30 and ...
uhoh's user avatar
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Could Ingenuity stay warmer at night by landing on (or near) Perseverance's RTG?

One concern in How long could the Mars helicopter Ingenuity keep up with the Perseverance rover if it wanted to? is that the helicopter must cycle its battery every night to stay warm, and that could ...
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How will Perseverance's selfie skills compare to Curiosity's? Will it have any additional selfie-related capabilities?

The design of the Mars 2020 rover Perseverance benefits from years of operational experience with Curiosity. While 2020's instrument suite differs in several ways it looks remarkably similar to ...
uhoh's user avatar
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Is there a "sample tube manual eject" switch that can be externally accessed on Perseverance?

In the (unlikely) event that Perseverance stops operating before 2026, can the sample fetch rover forcibly detach the already full sample tubes by accessing a manual switch on the rover? Would it make ...
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Could not an adapted RASSOR appear to be crucial for the Perseverance rover to find possible biosignatures on Mars?

Is it not very likely that most of the material that could contain possible biosignatures, like clays and carbonate containing minerals, will be below a layer of dust or regolith on Mars ? That the ...
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How does SuperCam measure the air?

The NASA website mentions that the SuperCam onboard Perseverance can measure the air. How does it do this? Does it use LIBS? Is the SuperCam more apt at doing these measures than a regular camera?
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Has Perseverance fired up its RIMFAX yet?

PIA24048: Testing RIMFAX for NASA's Perseverance Rover Original Caption Released with Image: A test model of the RIMFAX instrument — aboard the trailer behind the snow mobile — undergoes field ...
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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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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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Trying to modify a JPL guidance algorithm for the Mars Sky Crane and Mars 2020

I've been trying to implement a modification to the JPL guidance law that was used (or very similar to what was used) for the powered descent portion of the MSL mission and I'm struggling to figure ...
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Is there any current imagery of Mars2020?

Are there any current photos or video from the Mars2020 spacecraft, or since the first burn? It would be cool to check on this daily/weekly.
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What specifically does "Safe Mode" mean for Perseverance?

An older question asks about safe mode in general. I am curious about Perseverance's safe mode in particular. For instance, in the previous question, solar powered spacecraft start looking for the ...
Michael Stachowsky's user avatar
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Is there a specific reason why NASA put MOXIE on a rover?

MOXIE or The Mars Oxygen In-Situ Resource Utilization Experiment is to be sent to Mars as a part of Perseverance's scientific payload. Sure the experiment is much needed and very anticipated, and ...
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Kinematic and Dynamic viscosity on Mars

I've been looking at the Mars helicopter (Ingenuity) that will be onboard the Mars 2020 rover and I am having trouble figuring out how they determined the size of the rotor blades. Specifically, I'm ...
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What would have to be done to Perseverance's twin rover Optimism to make it capable of a limited Mars roving mission?

A comment under If the James Web Space Telescope goes up in smoke, is there a backup? mentions that the Perseverance rover has a twin and supports that with a link. I looked, expecting to see some ...
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Will Perseverance explore the outskirts of Jezero?

Perseverance landed in the Jezero crater and has been exploring the area around its landing site. The crater use to be filled with water, so the bottom of the crater was covered with sedimentary rocks....
usernumber's user avatar
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Why is the Southern Hemisphere of Mars is heavily struck by asteroids while the northern part is relatively smooth?

The northern hemisphere of Mars is smooth with flats lands but areas particularly below the Tharsis rise is heavily cratered, also Hellas basin, one of the largest impact craters is located in the ...
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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 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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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 ...
uhoh's user avatar
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At what inclined grade would Curiosity or Perseverance require twice the electrical power to drive compared to driving on flat terrain?

Motors have losses and friction, and compaction of soil by a rovers wheels are lossy as well. Driving over bumps/topography requires extra work going up that isn't recovered when going back down. The ...
uhoh's user avatar
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Why will the next missions to Mars not search for past life where once deep-water hydrothermal vents were?

The iron-sulfur world theory and the deep sea vent hypothesis are among the most popular ones to explain the origin of life on Earth. This article (Michalski J et al. Ancient hydrothermal seafloor ...
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Interpretation of mars rover images

I’ve been obsessed with the perseverance images, specially the images from the SHERLOC-WATSON system- the UV camera tricked out with racing stripes and fuzzy dice hanging from its rear-view mirror (...
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Do Curiosity and Perseverance have gyrocompasses? Has any rover had one? If so, what kind and how do they work?

There is discussion of a gyrocompass in comments on the page How does Curiosity know how to point and move it's high gain antenna in real time? but so far I don't think there is a hard "Yes&...
uhoh's user avatar
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Are there any selfies of Curiosity or Perseverance with their high gain antenna deployed and "looking up"?

The Curiosity and Perseverance rovers have high gain antenna arrays on a mechanical arm that can rise up and point towards Earth and communicate directly. Has the Curiosity rover ever communicated ...
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How does the wind behave throughout the day in Jezero Crater? (worried about Ingenuity)

JPL tweet links to mars.nasa.gov's Flying on Mars Is Getting Harder and Harder which explains that seasonal changes are lowering the density of the local atmosphere, presumably due to warmer seasonal ...
uhoh's user avatar
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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 ...
uhoh's user avatar
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