Questions tagged [curiosity]

Questions regarding the Curiosity rover launched by NASA for the purpose of Mars exploration.

Filter by
Sorted by
Tagged with
0
votes
0answers
19 views

At what incline would curiosity require twice the electrical power to drive compared to a flat grade?

Motors have losses and friction with 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. ...
1
vote
0answers
42 views

How are Curiosity's batteries doing after all these years?

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 ...
1
vote
0answers
21 views

How much altitude will curiosity gain by its climb now from the clay-bearing unit to the sulfate-bearing unit?

According to Space.com's NASA's Curiosity rover starts Red Planet road trip up Martian mountain: Curiosity's last stop from 2019 to this year was the "clay-bearing unit", another ...
7
votes
0answers
72 views

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 ...
2
votes
0answers
38 views

What are the power specifications for Curiosity's 6 driving motors and the voltages of the two batteries, and what are the sources?

To calculate the maximum travel time for Curiosity without recharging its batteries, I would like to know the power specifications for its driving motors. And we need to know how much energy can be ...
0
votes
1answer
97 views

View the surface of Mars via Hubble

Has the surface of Mars been observed by the mirror of Hubble ? For example, it could be a good idea for humans to be able to see the lovely Curiosity Rover via Hubble from above.
1
vote
0answers
23 views

Can any aspect of the brightness of Martian twilight be determined by Curiosity's photo of Earth?

Curiosity took this image of Earth on Jan. 31, 2014, 80 minutes after sunset. Stellarium has the Earth >15° above the horizon 80 minutes after sunset on that day. With Stellarium indicating the ...
6
votes
1answer
92 views

What schedule do Curiosity operators follow so Mars Time does not negatively impact their performance and health?

In the Choosing Mars-Time: Analysis of the Mars Exploration Rover Experience paper (2004), the NASA Ames Human Factors group recommends that those working on the Mars Exploration Rover mission should ...
-1
votes
1answer
179 views

Why doesn't MAHLI get to be in Curiosity selfies?

note: Answer(s) to Why is a corner of InSight's selfie cropped like this? don't address this question about Curiosity for several reasons: It doesn't even answer that question properly. Insight is ...
3
votes
1answer
60 views

How are Spacecraft Event Times (SETs) managed; to what timescales are they linked?

Spacecraft Event Time explains the importance of remembering just how darn slow light is; it takes minutes, hours, and in a few cases almost a day for light to travel one way between humans and their ...
2
votes
1answer
87 views

When did Curiosity land in the Martian Darian calendar?

The New York Times' Why Mars Needs Leap Days, Too “I daresay there have been more different proposals for Mars calendars than there are different calendars for the Earth,” said Michael Allison, a ...
7
votes
1answer
462 views

Gravel on Curiosity Rover?

I was looking at a visually impressive Panoramic 360 video derived from photographs taken by Curiosity Rover. I noticed something curious, what looks like small pieces of gravel scattered across the ...
8
votes
1answer
109 views

During the MSL (Curiosity) Mars atmosphere entry, when was the last time the Reaction Control System used?

I understand that the Mars Scientific Laboratory used its Reaction Control System during its entry into the planet's atmosphere. At what altitude was the RCS last used? "Seven Minutes of Terror" ...
2
votes
0answers
26 views

Could the NOMAD instrument on the TGO detect methane at night with sufficient reflected sunlight or artificial light?

Nadir and Occultation for MArs Discovery (NOMAD) is a 3-channel spectrometer on board the ExoMars Trace Gas Orbiter (TGO). Both the solar occultation (SO), and the limb nadir and occultation (LNO) ...
5
votes
1answer
61 views

G forces on Mars Science Laboratory during parachute deployment?

The parachute for the MSL was "designed to survive deployment at Mach 2.2 in the Martian atmosphere, where it will generate up to 65,000 pounds of drag force." What was the G force the MSL ...
8
votes
1answer
198 views

How did the Curiosity rover on Mars manage to crack open a large area after drilling a hole?

The answer to this question has a link with this image, an animated GIF showing before and after views of a drill site on Mars. How did drilling at the site manage to disturb such a large area and ...
4
votes
1answer
140 views

Are there any images of Curiosity during the sky crane operations?

This answer has a nice video of Curiosity's descent to MARS. The images come from the Mars Descent Imager (MARDI), which is mounted on the underside of the rover. Was there any camera mounted on the ...
10
votes
2answers
351 views

What likely is the chemical composition of the thin piece of material on the surface of Mars on the image below?

Note: The MAHLI images below were acquired when both the two groups of white light LEDs and the ultraviolet LEDs were off. When looking for the damage on the wheels of Curiosity on the raw images i ...
3
votes
1answer
109 views

Mars twilight photos

From the file:PIA19401-MarsCuriosityRover-GaleCrater-Sunset-Animation-20150415.gif Of the four images below from the gif, one of them depicts twilight. Were there anymore twilight images in this ...
11
votes
1answer
2k views

Will Curiosity and the Mars 2020 rover be able to communicate with each other via a Mars orbiter?

Curiosity's UHF antenna on sol 2439 Could Curiosity and the Mars 2020 rover communicate with each other via the MRO orbiter ? And would it have advantages ? (Like: " I just saw a meteorite, and it'...
1
vote
2answers
78 views

What is mast camera? And what does it do?

The mast camera is on curiosity but I don't really know what its about . it is know that it's official on curiosity but I don't know what it's used for.
3
votes
1answer
63 views

Is it recorded and/or documented when and where Curiosity's ChemCam's laser has zapped on Mars?

The article with the title "NASA Rover's Images Show Laser Flash on Martian Rock" tells us that the ChemCam's laser had zapped more than 600 rock and soil targets on Mars since Curiosity landed in ...
5
votes
1answer
820 views

What is the white stuff emerging from a hole on the surface of Mars?

Edit: It can almost certainly be excluded that the white spot was caused by Curiosity's ChemCam's laser, because it doesn't make sense that the laser was used at that time without taking images with ...
3
votes
0answers
88 views

Could the bright spot on the image captured by Curiosity have been caused by a data transmit or storage failure?

The image above, one of a total of 21 images shot over a 4 minutes span, was captured by Curiosity on June 16,2019 or sol 2438 on Mars. Only in this image a bright spot shows up, while the next and ...
2
votes
1answer
192 views

Why does Curiosity have two images of itself on itself, or is one a QR-code?

The first image in CNN"s New images show Mars as you've never seen it before shows a partial "selfie" by the Curiosity rover which includes what looks like two images on the rover itself. The one on ...
3
votes
1answer
85 views

How would wheel attrition of MSL Curiosity play out to end of mobile mission?

Let's assume a scenario where wheel damages is what ends Curiosity's mobility on Mars. What kind of damages to the wheels would cause immobilization? For example, would a wheel collapse (i.e. become ...
31
votes
2answers
7k views

Is it possible that Curiosity Rover measured its own methane or failed doing the spectrometry?

NASA published past June high methane concentrations were measured at Mars. This week, NASA's Curiosity Mars rover found a surprising result: the largest amount of methane ever measured during the ...
6
votes
1answer
207 views

Where exactly on Mars was Curiosity when this image was taken?

The BGR article NASA’s Curiosity rover saw something flash on Mars, and people are freaking out is one of many nearly identical clickbait articles about a recent image that contains a bright spot. ...
2
votes
1answer
152 views

Will the Mars 2020 rover's sensitivity to methane be better than Curiosity's?

The New York Times article NASA Rover on Mars Detects Puff of Gas That Hints at Possibility of Life describes the newest detection of a "whiff" of methane on Mars. The article states that ...
1
vote
0answers
61 views

How does the Mars 2020 rover's suspension and center of gravity compare to Curiosity's?

Gizmodo's NASA Put Wheels on Its Mars 2020 Rover and Holy Crap This Is Actually Happening says: The tube-like legs that support the wheels are constructed from titanium, and they’re similar to high-...
3
votes
1answer
81 views

Puzzler: help understanding these amazing Curiosity eclipse GIFs

Starting from Curiosity Observes Sunset Eclipse: Sol 2358 I found three images in the sequence PIA23133, PIA23134, and PIA23135 which I thought would mean (but don't know for sure) that they are ...
2
votes
1answer
247 views

Do Mars rovers have irises? How do they safely look at the Sun?

This excellent answer by @MarkAdler to the question Opportunity's last tau was 10.8; what does that mean and how is tau defined and measured? explains that Curiosity uses its PanCam to image the Sun's ...
5
votes
0answers
100 views

Why is Curiosity's rocker-bogie mounted in it's current configuration

In this question, it is stated that by driving Curiosity backwards they could get more mileage out of it's wheels, as the rocker bogie puts less pressure on them that way. Now, the obvious question is:...
2
votes
3answers
270 views

Do Curiosity's reported measurements of Mars' surface gravity (~3.717 m/s^2) include centrifugal effects?

In this answer I discuss the first results in the 47th Lunar and Planetary Science Conference (2016) conference paper First Gravity Traverse on the Martian Surface from the Curiosity Rover and a more ...
13
votes
2answers
428 views

Has Curiosity started driving backwards yet?

I'm curious if curiosity has started to drive backwards, at least occasionally, as part of an effort to reduce the rate of damage to the wheels. This has come up after writing this answer to the ...
2
votes
0answers
86 views

Camera costings for Opportunity/Spirit/Curiosity rovers

I'm currently working on a project investigating the practicalities of a Mars Sample Retrieval rover, as part of my qualification. My area of concern is command/control, and I am struggling to find a ...
5
votes
1answer
290 views

What is a secondary thwack arm, and what gets thwacked?

@Hobbes's answer calls attention to Emily Lakdawalla's book The Design and Engineering of Curiosity : How the Mars Rover Performs Its Job which led me to reading excerpts in several Planetary Society ...
4
votes
1answer
210 views

How exactly does Curiosity's floating bus work, and how does it continue to operate when voltage drops from 11 to only 4 volts?

@Hobbes's answer calls attention to Emily Lakdawalla's book The Design and Engineering of Curiosity : How the Mars Rover Performs Its Job which led me to reading excerpts in several Planetary Society ...
15
votes
2answers
2k views

Is the Curiosity rover equipped with motion detectors?

On Earth, wild life cameras are sometimes equipped with motion detectors to record rare species automatically. Could they not be applied in the case of Mars too ? Is Curiosity not equipped with ...
8
votes
1answer
2k views

Why not a “live” visual connection with Curiosity on Mars all the time?

Note: Got the idea for this question by @uhoh's question: "Has anything close to video ("live" or otherwise) been shot in space from beyond the Moon ? To have the "feeling" of a "live" connection ...
21
votes
3answers
6k views

Can Curiosity pay InSight a visit?

InSight landed “just” 600 kilometers from Curiosity’s landing site. Can Curiosity make its way there for a rendezvous? Are there any plans for this?
4
votes
1answer
165 views

Have any systems on any Mars rovers failed (even partially) as a result of a dust storm? (besides loss of solar power)

Have any systems on any Mars rovers failed (even partially) as a result of a dust storm? There is the obvious problem of loss of solar power, but the failures there are the result of loss of power. ...
1
vote
1answer
215 views

How many times has Curiosity switched between its two redundant computers? (“brain switch”)

While not as dramatic as "cross-circuiting to A" in the video, The NASA JPL news item Curiosity Rover to Temporarily Switch 'Brains' indicates that Curiousity has been switched back to "...
3
votes
3answers
583 views

Has the Curiosity rover ever communicated directly with Earth via its high-gain antenna? Signal strength & data rate?

In the question How does Curiosity know how to point and move it's high gain antenna in real time? I show an image of the hexagonal, articulated high gain antenna on the curiosity rover, as well as ...
5
votes
2answers
534 views

Which potential landing sites were identified at the MSL Landing Site workshops?

In the Wikipedia article Timeline of Mars Science Laboratory it is mentioned that at the first MSL Landing Site workshop, 33 potential landing sites were identified, and that by the second workshop in ...
20
votes
1answer
292 views

Rock flipping operation

After the recent announcement of complex organics being found on Mars within the curiosity rover's meager 5cm drill depth, I had an idea about artificially increasing it: Is curiosity rover's arm ...
10
votes
1answer
297 views

Methane on Mars - Can we locate the source?

I know that Methane has been detected on Mars, however there seems to be a lack of specific information about the location and concentration of the Methane. Would it be possible to pinpoint the source ...
5
votes
1answer
993 views

What would happen if the Curiosity rover “flipped over”?

Just wondering if they have contingency plans for "flipping" or if the thought process was "nobody will jeopardize the mission by climbing a steep cliff". Given the massive size of the rover, I doubt ...
6
votes
1answer
161 views

Curiosity and Mars 2020 power supply during cruise phase

1) Is the rover itself powered on during the cruise to Mars? 2) If so, does that power come from the MMRTG on the rover, or is power supplied to the rover by the cruise stage? 3) If not, would the ...
6
votes
2answers
468 views

Why is Curiosity remaining on the Vera Rubin Ridge for so long?

Have the MSL mission team members become overwhelmed by the iron-rich rocks on the ridge ? Image from: https://mars.nasa.gov/msl/mission/mars-rover-curiosity-mission-updates/?mu=sol-2018-rock-...