
Posted at June 10th, 2012
A new video from a NASA spacecraft shows the huge asteroid Vesta’s complex surface in dazzling and colorful detail. The video drapes high-resolution false color images snapped by NASA’s Dawn probe over a 3-D model of Vesta constructed from the spacecraft’s observations. Dawn has been orbiting Vesta — at 330 miles (530 kilometers) wide the..


Posted at June 10th, 2012
Vesta’s Internal StructureCredit NASA/ JPL-Caltech Dawn shows that Vesta has an iron core that is about 68 miles (110 kilometers) in radius, suggesting that Vesta completely melted in its early history, allowing iron to sink to form the core and producing a basaltic crust...
