Martian Opportunity

I blogged lots last year about Phoenix, the probe on Mars that landed, found evidence of water, and died on the red planet.

There are other probes on Mars, though: the Mars Exploration Rover (MER) mission has two probes – Opportunity and Spirit – that, despite having three-month lifespans, are still rolling around four years later. In fact, they’re both heading off on their biggest journeys ever.

Looking Back at Opportunitys Arena of Exploration (Courtesy NASA/JPL-Caltech)

Looking Back at Opportunity’s Arena of Exploration (Courtesy NASA/JPL-Caltech)