Remember Rosetta, the spaceship orbiting a comet and the lander that bounced into the shade? The lander wasn’t getting enough sunlight to power it, so it went into hibernation in November last year. Now that the comet is nearer the sun there’s more light, plus the comet’s evaporating away and the valley’s less deep now. Philae’s woken up, and ESA are hoping to get their mitts on all that lovely data it stored just before it