sep 212012
 
Dawn Sees Hydrated Minerals on Asteroid Vesta (with Video)

  Volatiles, or easily evaporated materials, have colored Vesta’s surface in a broad swath around its equator. This has been reported in two new papers based on observations from the low-altitude mapping orbit of the Dawn mission.  Asteroid Vesta. Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA Pothole-like features mark some of the asteroid’s surface where the volatiles, likely water, released [continue reading]

aug 312012
 
Dawn Prepares for Trek Toward Dwarf Planet Ceres

  NASA’s Dawn spacecraft is on track to become the first probe to orbit and study two distant Solar System destinations, to help scientists answer questions about the formation of our Solar System. The spacecraft is scheduled to leave the giant asteroid Vesta on Sept. 4 PDT (Sept. 5 EDT) to start its two-and-a-half-year journey [continue reading]

jun 072012
 
Vesta's Coat of Many Colors

  A new video from NASA’s Dawn mission reveals the dappled, variegated surface of the giant asteroid Vesta. The animation drapes high-resolution false color images over a 3-D model of the Vesta terrain constructed from Dawn’s observations. This visualization enables a detailed view of the variation in the material properties of Vesta in the context [continue reading]

mrt 222012
 
Dawn sees new surface features on giant asteroid

Enlarge In this image from NASA’s Dawn spacecraft, bright material extends out from the crater Canuleia on Vesta. Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/UMD NASA’s Dawn spacecraft has revealed unexpected details on the surface of the giant asteroid Vesta. New images and data highlight the diversity of Vesta’s surface and reveal unusual geologic features, some of which were [continue reading]