GRAIL: Moon Crust Thinner Than Expected

Maria Zuber, GRAIL PI, Reveals High-Resolution Gravity Map / Initial Results Of Mission At Recent Seminar; Average Thickness Of Lunar Crust Appears To Be 30km, About Half Of Previous Estimate; High Correlations Between Topography & Gravitational Field; GRAIL Unable To Confirm Existence Of Hypothetical Ancient Impact Basins; Map Is 3-4 Times More Detailed Than Those Of Kaguya Or Lunar Prospector

Image Credit: NASA, Wikipedia