https://www.newscientist.com/article/2171283-nasas-opportunity-rover-is-stuck-in-a-huge-dust-storm-on-mars/ > Less than 0.01 per cent of the sunlight at Mars is currently reaching the rover’s solar panels. Because the rover is entirely run on solar power, its operators have put it into minimal operations mode – its only … > To continue reading this premium article, subscribe for unlimited access.