Questions tagged [rovers]

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

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8
votes
1answer
353 views

Why should the Mars 2020 rover drop drilled cores along its route to be picked up later?

The Mars 2020 rover will drill up real cores decimeter or so deep, in order for them to be returned to Earth by a follow up mission. I hear NASA people now seriously working on having that rover drop ...
23
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5answers
7k views

Why hasn't NASA planted a stationary lab on Mars yet?

Why does NASA send rovers such as Curiosity instead of remotely building a small building on the surface of Mars?
11
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1answer
347 views

Who decides where Curiosity goes?

I've been wondering for a while who gets to decide where Curiosity goes. I'm not wondering so much about who gets to actually give it the commands (that seems fairly easy to find), but who decides its ...
17
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3answers
8k views

How do you 'make oxygen' on Mars?

This morning's BBC News says that a 2020 rover mission to Mars will "make oxygen". There is a brief line indication that it will extract it from atmospheric CO₂, but no other details. What process ...
8
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1answer
2k views

How will the Falcon 9 carry the lunar xprize rovers to the moon?

The Astrobotic team announced a while ago that they will launch their rovers on top of a Falcon 9. As I know the Saturn V rocket had a third-stage, which was used to redirect the spacecraft from Earth'...
4
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1answer
202 views

Would it be practical to use a rover with a cable to a power and communication station?

Geology Dr. Paul Spudis (who was on the Clementine Lunar orbiter mission) has an interesting step-by-step proposal for exploration of potentially extractable water ice at the Lunar poles. It includes ...
3
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2answers
142 views

Would the MSL rover copy work on the Moon?

In order to save development costs, Mars2020 will basically be the same rover as MSL Curiosity, but with another set of instruments. NASA's next big Mars ambition seems to be sample return. But after ...
15
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2answers
1k views

Can the satellites in Martian orbit be put to use providing a rudimentary GPS system on Mars?

This website conveys the impression a rover on the Martian surface necessarily navigates by dead-reckoning. Stereo images are used to determine how far a rover has travelled; an advancement over older ...
27
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3answers
2k views

What happens to defunct lunar and Mars rovers? What technological barriers prevent humanity from creating a perpetual rover?

What happens to defunct lunar and Mars rovers? What technological barriers prevent humanity from creating a perpetual rover with sun batteries or nuclear portable reactors for use on Mars, the Moon, ...
6
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2answers
2k views

How long might the Curiosity Mars rover last, and what would be the most likely cause to end its mission capability? [closed]

Given the life expectancies of all its components (mechanical, electrical, electronic, etc.), how long could the Curiosity rover reasonably be expected to continue performing useful science in an ...
5
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1answer
259 views

Could the Mars One rovers be used to carry personnel?

In the Mars One roadmap, they are scheduled to land rovers on Mars in 2018 to search for possible colonization spots. But once that is done and the first settlers arrive will these rovers be usable as ...
2
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2answers
2k views

Methane internal combustion engines for rovers on Mars and Moon. Feasibility?

It seems possible to produce methane and oxygen from the atmospheric CO2 and icy soil on Mars, and from icy regolith in the polar craters of the Moon. It has been suggested that CH4+O2 could be used ...
15
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1answer
3k views

Why are Curiosity's wheels aluminum rather than titanium?

I was just reading this article on how Curiosity's aluminum wheels are getting pretty dinged up. Usually titanium alloy is considered an upgrade from aluminum alloys in most applications, from ...
7
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1answer
319 views

What does the Yutu rover need to do to prepare for night?

Twitter is abuzz with rumors of the Yutu rover being dead. This article mentions that it might not have been able to prepare for night properly: More details are available from the unofficial ...
3
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2answers
364 views

Is vibration useful in shaking off Mars dust?

I had just read this article about how they were trying to figure out how to make a vibrating superconductor move in 1 direction, for propulsion, but it didn't sound too promising. So I thought of ...
15
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1answer
672 views

Are data we get from surface rovers accurate?

NASA have already sent several surface rover vehicles to the surface of planets, mostly to Mars. Just think about Curiosity. Compared to the fact that these rovers are remotely controlled and have ...
9
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2answers
280 views

Could electricity propel Curiosity on Venus?

To-date the humans have dispatched surface missions to Mars Luna Venus Mars has a thin atmosphere. Luna lacks one. Venus has a soup-thick atmosphere. Landing a static craft on Venus is one thing. ...
16
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1answer
2k views

What are the black and white circular patterns on the Curiosity rover?

On the Mars Curiosity rover, there are black and white circular patterns or marks spaced around the rover, as seen here marked in lime green:     What are these? If I had to guess, ...
5
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0answers
408 views

What can an astronaut do better than the Curiosity rover? [closed]

Firstly, I want to say that I'd be the first person with their hand up when asked, "So who wants to go to space?". There's nothing I'd love more than to go. But from looking at the amount of ...
7
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1answer
324 views

Could Curiosity be used as a transportation device by future Mars explorers?

NASA's Curiosity rover is a 'car-sized, six-wheeled robot' on the surface of Mars. The phrase car-sized caught my eye - car... Hmm... Could future Mars explorers potentially find the rover and use it ...
9
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1answer
419 views

Did Curiosity rover communicate to the ground station during its descent phase?

During descent phase and entering Mars' atmosphere, was the rover's descent controlled by the Earth based ground station, or by the rover itself? What are the technical challenges, when communicating ...
22
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1answer
2k views

Why do the Mars rovers move so cautiously?

All the Mars rovers tend to move very slowly. For example, Curiosity moves at an average speed of 30 metres per hour and a maximum speed of 90 metres per hour. Why is this so? Is it because of safety ...
11
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1answer
756 views

The upcoming landing of Chang'e 3 on the Moon - Is there detailed information about it anywhere?

China is supposed to land a rover on the Moon soon (2013). This will be the first landing on the Moon from any nation in quiet a few decades - if none of the Google-Lunar-X-Price teams is faster, of ...
12
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1answer
969 views

Does NASA have any plans for future Mars rovers after Curiosity?

Curiosity should last a very long time - up to around 14 years. My question is whether NASA has any plans for a Mars rovers after Curiosity. If so, are any specifics known?
14
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1answer
713 views

How does NASA keep radiation from frying rovers?

I know that on Mars, radiation levels are quite high (turns out lack of an atmosphere does that). On the rovers that are sent to Mars, etc. How is radiation kept from playing havoc with the rover's ...