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Questions tagged [spirit]

Questions regarding the 2004 Spirit rover.

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40
votes
1answer
5k views

Why A=2 and B=1 in the call signs for Spirit and Opportunity?

The Martian rover Spirit held the call signs MER-A and MER-2. Opportunity was called MER-B and MER-1. The assignment A=2 seems backwards; logic would suggest A=1. Why is this so? Based on comments ...
2
votes
1answer
177 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 ...
2
votes
0answers
65 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 ...
4
votes
1answer
143 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
2answers
128 views

Why is it so important to visit Columbia Hills in Gusev Crater again?

One of the proposed landing sites for the rover mission Mars 2020 are the Columbia Hills in Gusev Crater, where the Spirit rover landed and has been active there from 2004 to 2010. This was a very ...
5
votes
1answer
131 views

Which images were used primarily for navigation algorithms on the Spirit rover?

I've noticed a lot of variations on the MER image data: we have RDR, EDR, and a whole lot of images that haven't been corrected yet (which appear mostly black in colour). On top of this, in the PDS ...
14
votes
1answer
1k views

How did the spirit rover land right way up after bouncing

After watching an animation of how the Spirit rover landed on Mars, I was wondering how the rover managed to end up the right way up after bouncing around?
5
votes
1answer
107 views

Acid fog on Mars?

Recently a study on the data from the Spirit rover in Gusev crater suggested that there may be acid fog changing the rocks. What exactly is this acid fog? How is it formed on Mars and where? Is it ...
28
votes
4answers
7k views

Can either Opportunity or Curiosity explore the state of Spirit?

If you have a rough map of Mars a picture would help, but how far away are the three big rovers on Mars from each other? Is there any possibility of "roadside assistance" on Mars to "unstick" and ...
16
votes
1answer
3k views

What software language was used to program the martian rovers Spirit, Opportunity and Curiosity?

What software language was used to program the martian rovers Spirit, Opportunity and Curiosity? Also, how many engineers were involved in writing the software for the rovers?
15
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2answers
3k views

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 ...