2009 Science News of the Year: Atom & Cosmos

A post-crash plume kicked up from the moon contained vapor and ice. NASA crashed an unmanned spacecraft into the lunar surface on October 9 in order to analyze the resulting debris for signs of water. Image Credit: NASA
A post-crash plume kicked up from the moon contained vapor and ice. NASA crashed an unmanned spacecraft into the lunar surface on October 9 in order to analyze the resulting debris for signs of water. Image Credit: NASA
Water on the moon
The moon isn’t bone dry: Although planetary scientists had suspected as much for years, recent studies show that the surface is surprisingly dewy and the interior contains more water than previous analyses had indicated (SN: 10/24/09, p.