A planetary dust storm so vast it choked an entire world, yet so gentle it couldn't topple a hat—a paradox that revealed how fragile even our most durable machines are in an alien environment. The post On Mars, a dust storm in 2018 grew large enough to cover the entire planet, blocking sunlight for months and draining the solar panels of the Opportunity rover until it went silent — ending a mission that had lasted 15 years appeared first on Space Daily .