Researchers use multispectral images to reveal origin and evolution of Mercury
Thursday, April 30, 2009 - 13:56
in Astronomy & Space
Up until last year globes of Mercury were blank on one side. The Mariner 10 spacecraft explored the small planet in three flybys (1974-1975), but since no more than half was ever seen it remained the least understood of the four terrestrial planets - Mercury, Venus, Earth and Mars.