Have we been wrong about why Mars is red?(esa.int)
31 points by rntn | 2 comments
31 points by rntn | 2 comments
429 points by cybermango | 243 comments
ESA article on the toxicity of lunar dust, which caused Apollo moonwalkers 'lunar hay fever' symptoms and smelled like spent gunpowder.
71 points by sohkamyung | 16 comments