The Big Think

October 5, 2005

Energizer Robot

Filed under: Space — jasony @ 2:20 pm

The NASA Mars rover Spirit was originally designed to last 90 (Martian) days on the surface of Mars. It has now gone 625 days, or 535 days past its original design life. Its twin rover Opportunity has been on the surface running for 604 days. Engineering success!

I think the engineers designed the rover and the experiment docket for the maximum return within a 90 day window, hoping to get more, but willing to call the mission a success if they were only able to get three months out of it. I’m sure if pressed some of the design engineers would have been willing to privately say it would go beyond its design life, but without more specific information about the Martian environment, they wouldn’t be able to say just how long it would last. I’m sure none of them would have been willing to guess the little rovers would still be operating almost two years later!

Quantum Reality, Courtesy Captain Brewster Rockit

Filed under: Humor and Fun — jasony @ 12:37 pm



Filed under: Quoth — jasony @ 12:14 am

In times of change, learners inherit the Earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

Eric Hoffer

I have always believed that the most powerful phrase in the English language is “Teach me about that”.

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