Questions tagged [rovers]

Questions about vehicles sent to extraterrestrial bodies, generally for use in data collection.

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4
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1answer
245 views

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 ...
2
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1answer
194 views

Venus probe with refrigerated electronics powered by an RTG (more like the Mars rovers)

Because of the very high surface temperatures on Venus (~450 oC) conventional semiconductor electronics will not work. Discussion of surface probes to Venus talk about using vacuum electronics, ...
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37 views

Has any rover dragged a magnet across martian soil to see what gets picked up? Any magnetic measurements of specific rocks or particles of any kind?

On Earth, amateur and sometimes professional scientists collect dust from the tops of buildings or mountians (see also) and separate it with a magnet to obtain meteoric material. Not all meteoric ...
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1answer
60 views

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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9answers
1k views

How could a fast powerful rover on Mars be powered electrically?

Background The rovers on Mars are slow and weak. If I am to believe what I read, MSL Curiosity only produces 1/6th of a horsepower electric effect, 125 watt. In order to perform tasks like deep ...
26
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3answers
7k views

Why exactly do robots freeze? How could we engineer around it?

Moon and Mars rovers go through a lot of trouble to keep themselves heated to avoid "freezing to death". My question is why exactly are all these measures necessary? As in, which components ...
3
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1answer
298 views

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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3answers
225 views

What “flickering goggles” do JPL scientists rely on to explore the Martian surface “in genuine 3D”?

Gizmodo's NASA Is Using Red and Blue 3D Glasses to Safely Drive the Mars Rover While Working From Home says: To safely navigate the Curiosity rover across the surface of Mars, over 120 million miles ...
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2answers
265 views

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 (...
4
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1answer
225 views

On what kind of martian soil or rock will the Perseverance rover drop its helicopter?

The image below is cropped from the high resolution version of NASA's Mars Helicopter and Perseverance Rover PIA23824 and shows the helicopter in it's stowed position on the underside of the rover ...
7
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2answers
565 views

Perseverance Rover to drive carefully for months while helicopter hangs from underside?

The image below is cropped from the high resolution version of NASA's Mars Helicopter and Perseverance Rover PIA23824 and shows the helicopter in it's stowed position on the underside of the rover ...
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3answers
334 views

Would a circular saw on one arm and a trowel on another on the Mars 2020 rover add scientific value? [closed]

Edit: I changed the question from one arm with a shovel to two arms, with one with a circular saw and the other with a trowel, some time after the first answer of @Hobbes. I did this because in his ...
9
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1answer
242 views

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 ...
3
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0answers
38 views

Could a Mars rover reliably navigate using the local magnetic fields?

Mars does not have a global magnetic field which guides charged particles entering the atmosphere. Mars has multiple umbrella-shaped magnetic fields mainly in the Southern Hemisphere, which are ...
3
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1answer
57 views

When will SuperCam examine its first target?

The Perseverance rover just landed yesterday. I'm guessing that there first are some checks to do on the rover itself before it starts to do any science, so the science instruments like SuperCam might ...
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6answers
7k views

Why are there so few lunar rovers?

I'm a big fan of Curiosity and Opportunity, the Martian rovers. The science is over my head, but the images they've captured are mesmerizing. It seems unusual to me that we have two active Martian ...
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3answers
1k views

How did Lunokhod 1 become “lost” in 1971; in what ways did astronomers “look for it” after that?

The Smithsonian Magazine article Lost Soviet Reflector Found on the Moon says: There are actually five retroreflectors on the Moon: three placed by Apollo astronauts and two that sit atop Soviet ...
13
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2answers
1k views

Were the Lunokhod Lunar rovers remote controlled in real time?

How were the Soviet Lunochod rovers during the 1970s controlled from Earth? Did they take images on the fly and a guy with a joystick steared it around to reach targets of opportunity? Well, probably ...
7
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1answer
633 views

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 ...
8
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1answer
792 views

Why does the Perseverance rover have such complicated shaped spokes in its wheels?

Phys.org's NASA's Perseverance Mars rover gets its wheels and air brakes has some interesting photos includes some nice photos and below I've included a cropped section of a photo of one of ...
6
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1answer
80 views

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 ...
9
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4answers
4k views

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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7answers
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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 ...
6
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1answer
161 views

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 ...
10
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1answer
891 views

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 ...
56
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4answers
9k views

How were Perseverance's cables “cut” after touching down?

In the NASA conference today regarding Perseverance's successful landing on Mars, they talked about how you can see the cable that held the rover in this picture below (I circled the cable). I'm ...
3
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0answers
94 views

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 ...
29
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4answers
7k views

Can either Opportunity or Curiosity explore the state of Spirit?

If you have a rough map of Mars a picture would help, but how far away are the three big rovers on Mars from each other? Is there any possibility of "roadside assistance" on Mars to "unstick" and ...
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2answers
159 views

Why a rover bounces after landing on Mars?

Sometime ago I was watching a video which showed that when a rover lands on mars surface it will keep bouncing on Mars' surface like a ball until it gets rid of energy and then it becomes static. But ...
8
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2answers
913 views

How long could the Mars helicopter Ingenuity keep up with the Perseverance rover if it wanted to?

Wikipedia's Mars Helicopter Ingenuity says: It could potentially cover a distance of up to 300 metres (980 ft) per flight. Perseverance is somewhat similar to Curiosity which drove about 22970 ...
9
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2answers
2k views

Could a Mars surface rover/probe be made of plastic?

I wonder whether the structure of a Mars surface rover or probe could be 3D printed from plastics on Earth and then shipped to Mars for its mission. That is, 3D printed from the common materials used ...
3
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1answer
177 views

How do they make sure parachute won't fall on the rover?

Here is the picture of timeline of Perseverance (rover) landing: How do they make sure parachute won't fall on the rover?
3
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1answer
46 views

ROV-E compact configuration

Assuming that ROV-E could be employed in a real space mission, which would be the best configuration to store it in a larger spacecraft or linked to a larger spacecraft? Is it possible to modify the ...
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0answers
48 views

Is ESA's ExoMars TGA getting old and unable to support Rosalind Franklin rover for the full potential duration of its missions and extensions?

Wikipedia's ExoMars explains that the Trace Gas Orbiter or TGO part of the mission was launched in 2016 and the rover was originally scheduled to launch in 2018. This launch was delayed until 2020 and ...
5
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0answers
202 views

Open source hardware at NASA

Given NASA has its open source software repository, I can not really find its open source hardware counterpart so I suppose such a thing does not exist. Is that true? The 3D models site (GitHub mirror?...
13
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1answer
1k views

Will Perseverance be captured into Mars orbit before descent or would it be a direct descent into the atmosphere?

Will Perseverance be captured into Mars orbit before descent or would it be a direct descent into the atmosphere similar to an aerocapture maneuver? It would be helpful if someone could add any ...
5
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1answer
486 views

Why doesn't the Perseverance rover have markers on its wheels like Curiosity?

The wheels of the Curiosity rover have hole patterns spelling J-P-L in Morse code. The reason why these existed in the first place was to help vision-based odometry and distance measurements, ...
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2answers
2k views

Download all Curiosity photos?

I'm interested in downloading all of the Curiosity rover photos. Is there some sort of automated way to do this?
3
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4answers
540 views

Which rover(s) didn't have wheels?

The question Wheels vs. tracks for rovers and Does new technology make it advantageous to have walking rovers? ask about the possible use of treads or legs instead of wheels on rovers from a ...
5
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1answer
254 views

How are the Curiosity rover's batteries doing after all these years (and all these cycles)? Have they degraded significantly?

Curiosity has spent 2820 sols on Mars and this answer to About how long will Curiosity last on its nuclear power? points out that its batteries may wear out faster than its RTG. Question: How are ...
5
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0answers
128 views

Which robotic spacecraft have autonomous operation capabilities?

I am searching for an overview of autonomous space robots integrating motion planning capabilities, such as a list of robots (past and present). So far, I have found these robots: Mars exploration ...
18
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3answers
2k views

How much can the Mars rover Curiosity do autonomously, after four years of operation?

I was under the impression (when asking this question) that over the past four years that experience by ground operators and programmers had lead to a configuration where the Mars rover Curiosity ...
10
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2answers
3k views

Are there currently any plans for a Venus lander?

I am interested in what the surface of Venus looks like in true color, but have discovered that true color images of Venusian surface are rare, and am hoping that a lander mission is planned to take ...
6
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1answer
644 views

Who discovered “Egg Rock”? The Curiosity rover or people?

"Egg Rock" is a smooth, shiny nickel-iron meteorite found sitting on the surface of Mars on Curiosity's Sol 1505, or 30-Oct-2016. It is described the next day in Arizona State University's ...
2
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1answer
2k views

Are there photos taken by rovers, with both moons visible in the martian night sky?

Are there night photos from curiosity or early of Mars's skies? Two moon on the sky. Photos from ground. From rovers. Perhaps not exactly like this: but more like this: but at night and two moons.
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0answers
89 views

How might one redesign a “Curiosity-class” rover for a mission to Vesta or Ceres?

Vishnu Reddy (1, 2, 3) and their research group are quite active in space exploration both in Earth-based observation and now in the design of future spacecraft, and have recently pseudo-confirmed ...
3
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0answers
52 views

Have any two rovers launched from different crafts functioned in visible distance of each other? [duplicate]

Have any two rovers, launched on different spacecrafts, ever encountered each other and photographed the other?
3
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1answer
313 views

Why is NASA sending wavy grousers to Mars?

In this answer to What are the lines on the wheels of the Perseverance rover called? Are they different than Curiosity's? and in sources linked therein we've learned that the lines across the business ...
10
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1answer
1k views

What are the lines on the wheels of the Perseverance rover called? Are they different than Curiosity's?

CNET's NASA narrows down Mars 2020 rover names: Hello, Fido? includes the image below. I'm not sure if the rover is moving and a rolling shutter was in use, or if the lines on the wheels are really ...
3
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0answers
75 views

What is hot shoe and cold shoe in MMRTG?

As I was going through the book 'The Design and Engineering of Curiosity' by Emily Lakdawalla, I stumbled on these two words. Are they hot and cold section of thermocouple? What actually they do? The ...

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