NASA's Journey Above Vesta video
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Uploaded by Squarkino on Oct 16, 2011
A new video from NASA's Dawn spacecraft takes us on a flyover journey above the surface of the giant asteroid Vesta.
The data obtained by Dawn's framing camera, used to produce the visualizations, will help scientists determine the processes that formed Vesta's striking features. It will also help Dawn mission fans all over the world visualize this mysterious world, which is the second most massive object in the main asteroid belt.
You'll notice in the video that Vesta is not entirely lit up. There is no light in the high northern latitudes because, like Earth, Vesta has seasons. Currently it is northern winter on Vesta, and the northern polar region is in perpetual darkness. When we view Vesta's rotation from above the south pole, half is in darkness simply because half of Vesta is in daylight and half is in the darkness of night.
Another distinct feature seen in the video is a massive circular structure in the south pole region. Scientists were particularly eager to see this area close-up, since NASA's
Hubble Space Telescope first detected it years ago. The circular structure, or depression, is several hundreds of miles, or kilometers, wide, with cliffs that are also several miles high. One impressive mountain in the center of the depression rises approximately 9 miles (15 kilometers) above the base of this depression, making it one of the highest elevations on all known bodies with solid surfaces in the solar system.
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beautiful images, thanks!
angelpbj 4 months ago
It is amazing at the clarity of the images, and cannot wait until the lower orbit of Dawn to show the higher resolution photography. I still can remember how difficult it was to get a clear image of the Moon, until Ranger 7 got still images in the Summer of 1964. This was due to the Earth atmosphere, and back then spacecraft had trouble just getting there, let alone getting images back, like Ranger 6 had previously. Thanks for sharing JPL!
GaryW48 4 months ago