So it looks like, barring a miracle, Mars rover Opportunity will soon be declared lost after suffering a massive Mars dust storm eight months ago, the same storm that affected views of Mars during the 2018 opposition.
NASA about to pull plug on Mars rover Opportunity after it was silenced by immense dust storm
Still, 15 years on Mars is a pretty amazing achievement for a "career" (primary mission) that was supposed to last three months. I guess in "dog" years, Opportunity was 500+ years old at the close ...