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Dawn Image of the Day / February 2012

   
Dust-covered surface with fresh small craters
Dust-covered surface with fresh small craters
February 29, 2012

This Dawn FC (framing camera) image shows a relatively smooth part of Vesta’s surface. This smooth texture is probably due to the surface being covered in a layer of tiny dust particles.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Light and shadow
Light and shadow
February 28, 2012

This Dawn FC (framing camera) image shows an area in Vesta’s northern hemisphere that has been illuminated more by the sun than yesterday’s image of the day.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Islands in the darkness
Islands in the darkness
February 27, 2012

This Dawn FC (framing camera) image shows a part of Vesta’s northern hemisphere, which is mostly in darkness.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Cornelia crater
Cornelia crater
February 24, 2012

This Dawn FC (framing camera) image shows Cornelia crater, a roughly 15-kilometer-diameter (9-mile-diameter) crater with a sharp, fresh rim.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
   
           
Apparent brightness and topography images of Cornelia crater
Apparent brightness and topography images of Cornelia crater
February 23, 2012

The left-hand image is a Dawn FC (framing camera) image, which shows the apparent brightness of Vesta’s surface. The right-hand image has a color-coded height representation of the topography overlain onto it.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Aricia Tholus
Aricia Tholus
February 22, 2012

This Dawn FC (framing camera) image shows Aricia Tholus, the dark hill that was presented in the previous Image of the Day.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Brightness and topography images of a dark hill
Brightness and topography images of a dark hill
February 21, 2012

The left-hand image is a Dawn FC (framing camera) brightness image, which shows the brightness/ darkness of Vesta’s surface. The right-hand image is based on this brightness image.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Dawn on Vesta
Dawn on Vesta
February 20, 2012

This Dawn FC (framing camera) image shows the sun illuminating the landscape of Vesta during a Vestan ‘sunrise’. When this image was obtained the sun had a low angle relative to Vesta’s surface, just as the sun has a low angle in the sky in the morning on Earth.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
   
           
Impact ejecta deposits covering underlying topography
Impact ejecta deposits covering underlying topography
February 17, 2012

This Dawn FC (framing camera) image shows impact ejecta deposits dominating Vesta’s landscape. This impact ejecta material was ejected from an impact crater located outside the imaged area.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Successive formation of impact craters
Successive formation of impact craters
February 16, 2012

This Dawn FC (framing camera) image shows two overlapping impact craters. The large crater is roughly 20 kilometers (12 miles) in diameter and the smaller crater is roughly 6 kilometers (4 miles) in diameter.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Mass wasting on steep slopes
Mass wasting on steep slopes
February 15, 2012

This Dawn FC (framing camera) image shows many highly degraded craters in the top part of the image.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    A Valentine from Vesta
A Valentine from Vesta
February 14, 2012

This image is based on a Dawn FC (framing camera) image that is overlain by a color-coded height representation of topography.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
   
           
Vesta’s surface at high resolution: dominated by impact craters
Vesta’s surface at high resolution: dominated by impact craters
February 13, 2012

In this Dawn FC (framing camera) image a large number of craters, formed by collisions into the surface of Vesta, are visible.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Markings of ejected material on Vesta’s surface
Markings of ejected material on Vesta’s surface
February 10, 2012

This Dawn FC (framing camera) image shows many linear or sinuous grooves crisscrossing the surface of Vesta.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Chains and clusters of secondary craters
Chains and clusters of secondary craters
February 9, 2012

This Dawn FC (framing camera) image shows numerous linear chains and clusters of small craters.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Mosaic of visible and infrared spectrometer data
Mosaic of visible and infrared spectrometer data
February 8, 2012

This mosaic shows the location of the data acquired by VIR (visible and infrared spectrometer) during the HAMO (high-altitude mapping orbit) phase of the Dawn mission.

Image Credit: NASA/ JPL-Caltech/ UCLA/ ASI/ INAF/ IAPS
   
           
Small-scale surface variations seen with Dawn’s visible and infrared spectrometer
Small-scale surface variations seen with Dawn’s visible and infrared spectrometer
February 7, 2012

This image shows a Dawn VIR (visible and infrared spectrometer) image, overlain on top of a FC (framing camera) image of the same region.

Image Credit: NASA/ JPL-Caltech/ UCLA/ ASI/ INAF/ IAPS/ MPS/ DLR/ IDA
    Undulating terrain in Vesta’s southern hemisphere
Undulating terrain in Vesta’s southern hemisphere
February 6, 2012

This Dawn FC (framing camera) image shows the undulating terrain of Vesta’s southern hemisphere, which consists of ridges and depressions.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Ejecta and dark rayed crater
Ejecta and dark rayed crater
February 3, 2012

This Dawn FC (framing camera) image shows part of the ejecta deposit surrounding the ‘snowman’ craters, the largest of which has been named Marcia.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Old cratered terrain on Vesta’s equator
Old cratered terrain on Vesta’s equator
February 2, 2012

This Dawn FC (framing camera) image shows old cratered terrain located on Vesta’s equator. Many of these craters have very degraded, rounded rims.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
   
           
Sharp crater rim with dark material and boulders
Sharp crater rim with dark material and boulders
February 2, 2012

This Dawn FC (framing camera) image shows part of the sharp, fresh rim of a large crater in the top part of the image.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Sharp crater rim with dark material and boulders
Sharp crater rim with dark material and boulders
February 2, 2012

This Dawn FC (framing camera) image shows part of the sharp, fresh rim of a large crater in the top part of the image.

Image Credit: NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA
    Undulating terrain in Vesta’s southern hemisphere
Undulating terrain in Vesta’s southern hemisphere
February 1, 2012

This Dawn FC (framing camera) image shows some of the undulating terrain in Vesta’s southern hemisphere.

Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA