A pair of NASA orbiters has given scientists their highest-fidelity look at the moon, a leap that could help explain the evolution of the solar system's rocky planets, including Earth.
Scientists announced the first results Wednesday from the $496-million GRAIL mission, the Gravity Recovery and Interior Laboratory, which consists of two washing-machine-size spacecraft that operate in tandem. GRAIL lifted off from Cape Canaveral, Fla., in September 2011, and the spacecraft are now circling the moon, studying its structure, surface and composition.
Source: LA Times. Read full article. (link)