Nasa's LCROSS lunar mission uses Hitchhiker's Guide to the Galaxy | Books | guardian.co.uk'What's this thing coming towards me very fast? ... That's it! Ground! I wonder if it'll be friends with me?' ... Artist's impression of Nasa's Lunar Crater Observation and Sensing Satellite (LCROSS) crashing into the moon. Photograph: Reuters 'What's this thing coming towards me very fast? ... That's it! Ground! I wonder if it'll be friends with me?' ... Artist's impression of Nasa's Lunar Crater
