Opportunity was built for a ninety-day mission and a target of six hundred metres, and it ran for fourteen and a half years and forty-five kilometres, until a planet-wide dust storm in 2018 blotted out the sun over Perseverance Valley and its final transmission was a reading of falling power and darkening sky
Opportunity reached Mars with a requirement to survive 90 Martian days and drive at least 600 metres. When…
