The Opportunity rover is still gathering scientific observations and reporting back to Earth after being on Mars for 12 years - nearly 50 times its designed lifespan
![The Opportunity rover is still gathering scientific observations and reporting back to Earth after being on Mars for 12 years - nearly 50 times its designed lifespan](https://images.squarespace-cdn.com/content/v1/5983dc02d7bdcee0bc8e54bf/1501819034625-BFV52MHPFY96U58PBRM6/image-asset.jpeg)
On January 3, 2016 (Sol 4246), Opportunity went through the winter solstice on Mars with already improved solar insolation, with the rover producing 449 watt-hours from its solar panels.[144] On January 25, 2016, Opportunity had marked twelve years since landing on Mars and continued its scientific investigation of Marathon Valley.[145@Curionic
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