Scientist's Award Allows Her To Probe the Earth's Mantle
Friday, June 11, 2010 - 13:21
in Earth & Climate
(PhysOrg.com) -- Sandwiched between the liquid iron outer core and the thin rocky crust we live on, the Earth's mantle is more than 1,800 miles thick, and comprises more than three-quarters of the planet's volume and nearly two-thirds of its mass. Yet surprisingly, scientists don't know exactly what it's made of.