before it died. "This is a hard day," said John Callas, manager of the Mars Exploration Rover project at NASA's Jet Propulsion Laboratory (JPL), at a press conference on Wednesday night. "Even though it's a machine and we're saying goodbye, it's still very hard and very poignant, but we had to do that. We came to that point." But it was Opportunity's last emotional message sent to scientists as a ferocious dust storm rolled over the red planet, that has tugged on the heart strings of space enthusiasts" Oppy's dead. https://www.mirror.co.uk/science/nasa-mars-rover-opportunitys-last-13999690
