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"Screenshot: A Weblog
July 12, 2009
Roving Mars
I have been doing a lot of reading about robots this summer in preparation for a couple of classes I am teaching in the fall. The most recent selection I finished off, which I don't intend to use in any course but thought might be good for background, was Roving Mars by Steve Squyers, the principle scientist for the current Mars rover missions with Spirit and Opportunity. I thought this might be a slightly dry but informative read. In fact, the book was quite engaging.
While there is a ton of detail about the rovers and what they do, the real story is about how Steve and his team went from a couple of people designing a camera to sent up to Mars to designing and constructing an entire Mars expedition including a lander, rover and suite of scientific equipment. There are many, many. many failures along the way, and a lot of uncertainty, up until days before the launch, as to whether the rovers will even be judged stable enough to send into space. Knowing how well, and how flexibly, the rovers have performed, it was fascinating to read about all of the uncertainty and fears about whether they would succeed at even their most basic tasks. In the end, Squyers credits the exceptional successes to exactly the conservative, meticulous engineering that made them second guess the rovers so much during the construction and testing process.
Having the story start back long before the design of the rover, we get to see the decision making that led to sending a robotic vehicle to explore Mars, as well as the other projects that were considered. There is "
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