Catalog Search Results
Publisher
National Geographic
Pub. Date
[2010]
Language
English
Description
When NASA rovers Spirit and Opportunity touched down on Mars in 2004, they weren't expected to last long: perhaps 90 days to six months at most. But a short-term science mission searching for evidence of water has turned into a five-year trek across miles of hostile plains, mountains, and deep craters. The rovers have survived dust storms and mechanical failures to explore vast reaches of Mars.
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