Questions tagged [rovers]

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

Filter by
Sorted by
Tagged with
5
votes
0answers
56 views

Were there backup routes planned for the Apollo LRV?

I just finished reading "A Man on the Moon" by Andrew Chaikin, an amazing read. For the missions involving the Lunar Roving Vehicle (LRV, Apollo 15-17), there are some mentions of astronauts ...
5
votes
1answer
74 views

Did Perseverance visit South Seítah?

This summer, Ingenuity found a track that could yield interesting science results. Has Perseverance driven down South Seítah yet? If not, has the possibility of sending Perseverance there been ...
5
votes
0answers
159 views

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
3
votes
1answer
282 views

Where will the sample tubes on Perseverance be stocked?

Will these sample tubes stay on the rover itself? Or will they be put on the surface of Mars? This latter way does not make sense to me. Squirrel effect: how could a future rover find them? Storms on ...
3
votes
0answers
76 views

Why did the last two NASA rovers land in craters?

Perseverance landed in Jezero crater, Curiosity in Gale crater. Do craters have any specific properties that make them desirable landing sites for rovers?
1
vote
1answer
154 views

What connection do Mars rovers use to send data to Earth?

How do Mars rovers send data back to Earth? Do they have some kind of built in WI-FI routers or is there any other connection?
1
vote
0answers
54 views

Moon Buggy Can Ride again? [duplicate]

we all know on the moon there are 3 Moon Buggy's. If we go back to moon again some how find one of Luna rovers from 3 in moon will it be running condition if we give some Repairs?
7
votes
2answers
450 views

What was it actually like driving the Lunokhod lunar rovers live from the ground? What were some of the biggest challenges?

This answer to How (the heck) did Lunokhod 2 drive, navigate and survive a ~40 kilometer drive over four months on the Moon using 1970's technology? discusses some of the technologies that made this ...
7
votes
1answer
115 views

Have various lunar rovers known their own position on the Moon? If so, how?

Given that there is no satellite navigation on the Moon, have lunar rovers figured out their current location on the surface of the Moon? If so, how? For the ones that have, did they send pictures ...
9
votes
0answers
182 views

After nine years on Mars, has anything on Curiosity broken yet?

As per Wikipedia's Curiosity (rover), it landed nine years ago today at 6 August 2012, 05:17:57 UTC. This is yet another testament to NASA spacecraft reliability. Since landing, has anything actually ...
3
votes
1answer
143 views

Which is currently further from their landing site: Ingenuity or Perseverance? How far away are they from each now?

Ingenuity has flown seven times now and I'm not certain but I think for at least one of the flights it traveled some distance and landed in a new site. Perseverance has done some traveling as well. ...
3
votes
1answer
70 views

Does curiosity's RTG generate neutrons as this NASA CheMin X-ray detection system webpage suggests? If so, how?

mars.nasa.gov's CheMin for Scientists (found here) says (about half-way down): Detection of X­-ray Photons by the CCD CheMin will use a 600 × 600 E2V CCD-224 frame transfer imager operated with a 600 ...
3
votes
1answer
123 views

In their first 100 sols which NASA Mars rover drove the furthest and which one the least?

It seems we've passed the 100 day/sol mark for Perseverance. Perseverance and Curiosity are comparable in designs but have had significantly different short term goals; Curiosity was the first of it's ...
5
votes
2answers
448 views

What are these details on (renderings of) the Zhurong rover's wheels?

Looking at some renderings of the CNSA Zhurong rover I noticed some curious (pun intended) details on the wheels: This Newsy Today article: In this The Conversation article: seen in some clips of ...
16
votes
2answers
3k views

Why don't we send a rover to a pole of Mercury?

Mercury is among the least explored planets, despite its vicinity to Earth. Just two probes have been sent to Mercury, a third one is underway and no probe landed softly on Mercury so far, Messenger ...
2
votes
0answers
43 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 ...
0
votes
1answer
65 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 ...
4
votes
2answers
488 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 ...
27
votes
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 ...
2
votes
2answers
272 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 (...
3
votes
0answers
45 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 ...
7
votes
1answer
693 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 ...
9
votes
1answer
245 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 ...
6
votes
1answer
85 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
votes
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?
6
votes
1answer
165 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
votes
1answer
900 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 ...
27
votes
7answers
6k views

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 ...
3
votes
0answers
95 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 ...
4
votes
1answer
324 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 ...
62
votes
4answers
11k 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 ...
2
votes
1answer
212 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, ...
9
votes
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
votes
1answer
179 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?
4
votes
1answer
58 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 ...
5
votes
0answers
209 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
votes
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
votes
1answer
542 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, ...
2
votes
0answers
90 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
votes
0answers
53 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?
4
votes
1answer
632 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 ...
3
votes
0answers
78 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 ...
2
votes
0answers
53 views

How often have dust devils saved a Martian lander or rover?

This answer to How are the Mars Rovers maintained? reminds us that ...much to the surprise of the early Mars scientists and rover teams, Mars takes care of the dust problem for us! Mars' typical ...
12
votes
2answers
3k views

How are the Mars Rovers maintained?

I am really curious in finding out how the Mars Rovers are maintained. The communications with the software could be done as long as there are no connection malfunctions, and I suppose they have a ...
6
votes
1answer
290 views

Is there any footage from Mars where you can see Deimos or Phobos getting bigger and smaller as it goes through the sky?

This answer mentions that on Mars, you can see its satellite get bigger and smaller as it rises and sets, because the satellite orbits much closer than our own Moon does from Earth. I'm pretty sure ...
3
votes
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 ...
3
votes
2answers
199 views

Is it allowed to interact with research satelites / rovers using the radio?

Let's say I have a SDR (software defined radio) like the HackRF One at home, access to a huge amplifier circuit and a giant antenna (at my university). Is there a law that prohibits receiving / ...
3
votes
0answers
207 views

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 ...
9
votes
2answers
2k 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 ...
2
votes
2answers
202 views

Is Perseverance still in Safe Mode?

Messages in The Pod Bay and Space.com's NASA: Mars rover Perseverance in 'safe mode' after launch, but should recover both said that Perseverance was in "Safe Mode". Is it still?

1
2 3 4 5