Questions tagged [curiosity]

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

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Curiosity with caterpillars? [duplicate]

Why doesn't curiosity (or other) use caterpillar tracks (like tanks) instead of wheels? It would be good for rough terrain and slow speed, and this is exactly the situation. Regards
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What's the coin on the Curiosity rover?

The image above was taken from the Curiosity rover (I hope). There appears to be a coin in the image. Is that really a coin or some kind of button? Is it really present on the rover? If it is ...
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Can the rovers on Mars see the comet flyby?

Within a few days Comet ISON is going to make a close flyby of Mars. Will the rovers on Mars have a chance to take a look at the comet as it approaches Mars?
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How does the Curiosity rover survive dust storms on Mars?

According to the answers to this question, a dust storm on Mars can last for many days. Dust is a serious problem for mechanical joints if they use lubrication, because it may stick to the lubricant ...
18
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1answer
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Why did the Earth based observations of methane on Mars go wrong?

ScienceNews states that: Scientists had previously identified methane on Mars using Earth-based telescopes and spacecraft orbiting the Red Planet. In 2003, researchers detected a ...
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2answers
740 views

Why was Curiosity rover's landing site an ellipse?

According to this article, the landing site of the Curiosity rover was elliptical. Why an ellipse? Would all planetary landers have elliptical landing sites?
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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 ...
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2answers
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Why does Curiosity use an RTG rather than solar (as Spirit and Opportunity do) for power?

Why did Curiosity choose to go with nuclear power? While solar panels have issues with Martian dust, this was a known factor before the 2004 Spirit and Opportunity mission. Why then did the 2004 ...
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2answers
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Why would NASA include a speaker on Curiosity?

Curiosity celebrated it's first birthday by playing, on Mars, Happy Birthday. How was this accomplished, and why would this capability even be included on Mars?
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1answer
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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?
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1answer
451 views

How will Curiosity manage its power when its nuclear power starts to run low?

As we've already determined, Curiosity should last about 14 years on its nuclear power. What happens near that timeframe? Will NASA start to manage the rover's use of power by shutting down unused ...
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What problems led to the use of the Sky Crane system used by Curiosity?

We all know about the fancy 'sky crane' system used on NASA's Curiosity rover. The rockets slow the descent to 1 ½ mph and power a sideways parry to avoid the faster falling chute. As Sky Crane ...
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About how long will Curiosity last on its nuclear power?

Curiosity, we know, has no little nuclear reactor, it has a RTG. Great! But how long will it last? For how many years will our little 1-ton friend be roaming around another planet?

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