Questions tagged [mars-exploration-rover]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
3
votes
2answers
149 views

Was Nuclear battery system not used for Mars Spirit and Opportunity rovers?

Mars Spirit and Opportunity rovers exceeded expectations by working for many years than the planned 90 day mission. But why was Nuclear Battery System not used and Solar panels were used for power ...
12
votes
1answer
2k views

How did the Mars Exploration Rovers (Spirit & Opportunity) land upright? [duplicate]

In every animation depicting the landing of the MERs, the tetrahedral airbag compartment is bouncing & tumbling after surface contact. How did Spirit & Oppy ensure they would come to rest ...
5
votes
1answer
108 views

Acoustics in Space

Acoustics is an important aspect of not just our architecture but how we and other deep ocean creature interact with each other and the surface. It is known to be used in submarines and other research ...
8
votes
1answer
210 views

What was the driving record of each rover on Mars in one sol, and when?

Both Mars rovers Opportunity and Spirit had a top speed of 180 meters/hour on flat hard ground, but their hazard avoidance software caused them to stop every 10 seconds for 20 seconds to observe and ...
43
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 ...
6
votes
1answer
286 views

Have the rovers on Mars encountered anything unrecognizable to geologists?

We have quite a few rovers trundling around Mars. Just from reading the popular news, I get the impression that everything encountered so far (minerals, rocks, strata, formations, structures, etc.) ...
12
votes
1answer
971 views

Opportunity's last tau was 10.8; what does that mean and how is tau defined and measured?

@ahiijny added a direct link to the Sol 5110-5114 MER B Downlink Report. These are the final days that signals were received from Opportunity. The message "Tau Value is NOT a Typographical Error" ...