Opportunity—or Oppy, as we lovingly called it—kept going until June 2018, when a giant dust storm covered the rover’s solar panels, starving it of power. NASA officials sent hundreds of commands asking Oppy to call home, with no success. In February 2019, Opportunity was officially pronounced dead—over fourteen years into its ninety-day expected lifetime, having roamed a record-breaking twenty-eight miles on the red planet.26
