In this image, obtained by the framing camera on NASA's Dawn spacecraft, various craters are visible in the southern equatorial region of the giant asteroid Vesta.
The Dawn mission to Ves...
In this image, obtained by the framing camera on NASA's Dawn spacecraft, a set of three craters, informally nicknamed "Snowman" by the camera's team members, is located in the northern hemisphere of V...› View Image
In this image, obtained by Dawn's framing camera, a peak at Vesta's south pole is seen at the lower right. The grooves in the equatorial region are about six miles wide (10 kilometers). The image was ...› View Image
NASA's Dawn spacecraft obtained this image with its framing camera on July 16, 2011. It was taken from a distance of about 9,500 miles (15,000 kilometers) away from the protoplanet Vesta. Each pixel i...› View Image
This composite image shows the comparative sizes of nine asteroids. Up until now, Lutetia, with a diameter of 81 miles (130 kilometers), was the largest asteroid visited by a spacecraft, which occurre...› View Image
This anaglyph image of the south polar region of the asteroid Vesta was put together from two clear filter images, taken on July 9, 2011 by the framing camera instrument aboard NASA's Dawn spacecraft....› View Image
This visitor from deep space, seen here by NASA's Wide-field Infrared Survey Explorer, or WISE, is comet Hartley 2 -- the destination for NASA's EPOXI mission.
The comet, known officially...