Questions tagged [perseverance]

Questions about Perseverance, the NASA Mars rover to be launched July 2020 with an astrobiological mission

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22
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3answers
4k views

Could Mars Rovers be lighter or faster if they didn't have to be tested on Earth?

Watching this video of Perserverance being tested on Earth, it occurred to me that requiring it to stand, drive, climb, etc. under 1g is, in some sense, overkill. Could this (or other) rovers be made ...
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2answers
363 views

Why is Perseverance's RTG lifetime only 14 years?

The MMRTG uses Pu-238, which has a half-life of 87.7 years. So after 14[1] years it should be able to output a little over 80% of the power, which naively to me seems like it should be enough. What is ...
13
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1answer
300 views

Why do Ingenuity's legs differ?

In the pictures below, I notice that not all of the legs of Ingenuity are the same (look at the end of them, directly touching the surface). It looks like a single one is different than the other 3. ...
11
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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'...
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1answer
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Now that Perseverance is “hot” (RTG in place) and before it gets to deep space, how will it stay cool?

As soon as they are assembled MMRTGs continuously produce about 2,000 watts of heat energy. That dips only slightly when they are connected to a load and producing electrical power (about 125 watts ...
10
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1answer
669 views

Will InSight be able to pick up vibrations from the landing of Perseverance or Tianwen?

In roughly six months, two spacecrafts will be landing on Mars. Will the seismometers on InSight be able to detect vibrations from any of those landings?
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Will there be live HD television from Mars with the Mars 2020 mission?

Is it known if live HD television from Mars would be possible with the Mars 2020 rover mission and if an extra channel would be possible just for relaying HD TV to make live broadcasts possible ? ...
9
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1answer
342 views

Are the lines on the wheels of the Mars 2020 rover wavy? If so, why?

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 ...
9
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1answer
448 views

Why is the northeastern region of Syrtis Major Planum a selected landing site for the Mars 2020 mission?

Image below: One of the 3 selected landing sites, on the left side of Jezero crater, which is also selected ! A workshop for the Mars 2020 Rover mission was held in February 2017 that selected 3 ...
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2answers
158 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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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 ...
6
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1answer
210 views

Will the Mars 2020 rover be able to record high-framerate video of its helicopter?

According to this answer, there have been no instances of video recorded from beyond lunar orbit. Mostly, this makes sense as rovers and spacecraft are served just as well with pictures and nothing ...
6
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1answer
144 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
184 views

How could the landing date of Perseverance Rover be fixed irrespective of 26 days launch window?

I am very much aware of this question from 2018 by @uhoh - Why would InSight's arrival date at Mars be fixed, and independent of the launch date?. I was led here by a similar question which arose in ...
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467 views

Will Perseverance's landing be live streamed?

I know that the launch will be live streamed, but I am interested in the landing. Is there a plan to make it possible for the general public to get access to landing video as soon as mission control? ...
6
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1answer
168 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 ...
5
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1answer
339 views

Why is there no microscope on the Mars 2020 rover?

Good magnification microscopes seem both light and cheap. As far as I could find out, there hasn't ever been one on any Mars rovers. The closest I could find is the Mars Hand Lens Imager (MAHLI) which ...
5
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1answer
162 views

Which operating system is Perseverance running?

A few days ago, I watched Perseverance being launched towards Mars. I know that there is lots of very specific hardware embedded into the rover, so, very likely, there has been software written by ...
5
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1answer
143 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 ...
4
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2answers
316 views

China, UAE and US all sending missions to Mars in 2020 (Summer of L̶o̶v̶e Mars); how far apart are their frequencies?

Gizmodo's Second failure of ExoMars parachute test throws schedule in jeopardy says: ExoMars 2020 is due to launch during a narrow window open between July 25th to August 13th 2020, during which ...
4
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1answer
182 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 ...
4
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1answer
114 views

Could Tianwen-1, Hope, or Mars 2020 image one another en route to Mars?

Which of the optical sensors in operation on the three spacecraft currently en route to Mars (China's Tianwen-1, UAE's Emirates Mars Mission (Hope), USA's Mars 2020 (Perseverance)) could image one of ...
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Was ULA's mobile clean room on the ground floor or up near the top of the rocket? What were the logistics for getting Perseverance up there?

Spaceflight Now's ULA’s Atlas 5 is NASA’s go-to rocket for nuclear-powered space probes quotes Tory Bruno, president and CEO of United Launch Alliance: Bruno said the mobile clean room set up inside ...
3
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1answer
82 views

How was Jezero crater selected?

Perseverance is going to land in Jezero crater. How was this landing site selected? I assume there were several landing sites that were considered, and different scientists wanted the rover to land in ...
3
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1answer
96 views

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?

Answers to Where does MSL end and Curiosity begin? explain the difference. There was much fanfare for the naming contest for the Perseverance rover, but I don't know what the mission is called. ...
3
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1answer
216 views

Balancing Perseverance Mars Rover; couldn't they just “move stuff around a little” rather than add 6+ kg of dead weight?

The NASA News item NASA's Perseverance Mars Rover Gets Balanced says: Just as an auto mechanic places small weights on a car tire's rim to bring it into balance, the Perseverance team analyzed the ...
3
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1answer
81 views

Mars 2020: What are the advantages of doing two missions to return samples?

The Mars 2020 plans to create a cache with samples for a future mission to grab and bring back. What are the advantages of doing one mission to create the cache and one mission to bring the cache back ...
3
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2answers
65 views

Has ChemCam been used to characterize the martian atmosphere?

Laser-Induced Breakdown Spectroscopy (LIBS) can be used to measure the composition of a solid, a liquid or a gas. LIBS is the technology used in ChemCam of the Curiosity rover and in the SuperCam of ...
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2answers
108 views

Will MOXIE get clogged or chemically degraded by martian dust?

MIXIE, the Mars Oxygen ISRU Experiment is an experiment on the Perseverance rover currently on its way to Mars, that will test solid oxide electrolysis as a way to extract oxygen from atmospheric ...
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2answers
131 views

Are Mars rovers in continuous contact with Earth when in line of sight?

The NASA Perseverance rover Communications page describes the Ultra-High Frequency Antenna, the X-band High-Gain Antenna, and the X-band Low-Gain Antenna but does not mention how often it will be in ...
3
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1answer
54 views

Are there (detailed) images or diagrams of the rotating drill carousel and the small robotic arm which are housed in the belly of Perseverance?

The sample handling page at the Mars 2020 mission site shows us the rover with at its front a circle that probably contains the rotating drill carousel ? However it states that the belly of the rover ...
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0answers
36 views

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.
3
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0answers
65 views

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 ...
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0answers
70 views

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 ...
3
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0answers
108 views

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 ...
3
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0answers
51 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 ...
2
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3answers
415 views

What are the drawbacks using an intelligent bulldozer on Mars for the assistance of a rover?

Already in 2011 NASA Ames Research Center proposed a Mars mission called Red Dragon that would use a Falcon Heavy. A SpaceX 2015 estimation was 2,000-4,000 kg to the surface of Mars with a soft ...
2
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2answers
168 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?
2
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1answer
79 views

MMRTG- thermal and electrical output

I haven’t been able to find a definitive number for the thermal output (in watts) of the MMRTG used aboard the Perseverance rover. The numbers I’ve seen range from 1950 watts to over 2000. I also ...
2
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3answers
106 views

Will the Emirate Mars Mission, Tianwen-1 and Mars 2020 Mission get closer to each other or spread out on their way to Mars?

The brand new Where Is Roadster page Spacecraft launched to Mars in 2020 (announced here) currently says that it has been: 13 days, 3 hours, 47 minutes and 13 seconds since the Emirates Mars Mission ...
2
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1answer
275 views

Why not a landing platform with solar cells on the Mars 2020 rover for the helicopter scout?

In May 2018 the Mars Helicopter Scout (MHS) was approved to fly on the Mars 2020 mission. Author: NASA/JPL-Caltec. It's a solar powered helicopter drone with a mass of 1.8 kg and a coaxial rotor ...
2
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1answer
121 views

What were the 21 potential landing sites for the Mars 2020 mission?

In August 2015 more than 150 scientists attended a conference to evaluate 21 potential landing sites for NASA's next rover, a mission called Mars 2020. Out of those proposed landing sites the Mars ...
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2answers
298 views

Perseverance current position

Is there any website which shows Perseverance live / current position relative to earth or sun ? (Because i couldnt find any so far)
2
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1answer
103 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-...
2
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1answer
121 views

Will the Mars 2020 rocket be visible in the night sky?

When a Space X rocket was launched towards the ISS this year, the rocket could be seen in the night sky in Europe. The information as to where and when to look in the sky was even easily available ...
2
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0answers
112 views

Why does NASA now call its rovers “robotic scientists?”

NASA's 2020 July 13 press release about the Mars 2020 mission calls its rover Perseverance a "robotic scientist." Is this press release, or at least this mission, the first usage of this ...
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0answers
54 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 ...
2
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0answers
77 views

How will Mars 2020 rover 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 ...
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0answers
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Why will the next missions to Mars not search for past life where once 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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3answers
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Will the Mars helicopter be able to remove the dust from solar panels?

Athough i'm not that worried about Insight's solar panels that i didn't sleep well because of that, this question got me thinking ! The Mars Helicopter Scout is a planned robotic helicopter that ...