NASA’s Dawn Spacecraft Delivers Sharper Images Ceres

Dawn Zooms in on Ceres

NASA’s Dawn spacecraft spotted this tall, conical mountain on Ceres from a distance of 915 miles (1,470 kilometers). The mountain, located in the southern hemisphere, stands 4 miles (6 kilometers) high. Its perimeter is sharply defined, with almost no accumulated debris at the base of the brightly streaked slope with bright streaks. Credits: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

New images from NASA’s Dawn Spacecraft reveal the small world’s features in unprecedented detail, including Ceres’ tall, conical mountain, crater formation features and narrow, braided fractures.

“Dawn is performing flawlessly in this new orbit as it conducts its ambitious exploration. The spacecraft’s view is now three times as sharp as in its previous mapping orbit, revealing exciting new details of this intriguing dwarf planet,” said Marc Rayman, Dawn’s chief engineer and mission director, based at NASA’s Jet Propulsion Laboratory, Pasadena, California.

At its current orbital altitude of 915 miles (1,470 kilometers), Dawn takes 11 days to capture and return images of Ceres’ whole surface. Each 11-day cycle consists of 14 orbits. Over the next two months, the spacecraft will map the entirety of Ceres six times.

New Images from NASA's Dawn Spacecraft of Ceres

NASA’s Dawn spacecraft took this image that shows a mountain ridge, near lower left, that lies in the center of Urvara crater on Ceres. Credits: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

The spacecraft is using its framing camera to extensively map the surface, enabling 3-D modeling. Every image from this orbit has a resolution of 450 feet (140 meters) per pixel, and covers less than 1 percent of the surface of Ceres.

At the same time, Dawn’s visible and infrared mapping spectrometer is collecting data that will give scientists a better understanding of the minerals found on Ceres’ surface.

Engineers and scientists will also refine their measurements of Ceres’ gravity field, which will help mission planners in designing Dawn’s next orbit — its lowest — as well as the journey to get there. In late October, Dawn will begin spiraling toward this final orbit, which will be at an altitude of 230 miles (375 kilometers).

Dawn is the first mission to visit a dwarf planet, and the first to orbit two distinct solar system targets. It orbited protoplanet Vesta for 14 months in 2011 and 2012, and arrived at Ceres on March 6, 2015.

What Are the Bright Spots on Ceres

Source: Elizabeth Landau, Jet Propulsion Laboratory

5 Comments on "NASA’s Dawn Spacecraft Delivers Sharper Images Ceres"

  1. Just one thing to say: put Dawn down!!! ;^)

  2. Superlatives exhaust themselves.

  3. Madanagopal.V.C. | September 10, 2015 at 10:12 pm | Reply

    Hi! The fine gradient of white deposits looks like some salt deposits which were formed from a drying ocean that was there, since the surroundings of smooth landscape vouch for that. Thank You.

  4. Think maby the white stuff is from what impacted the thing?

  5. these are old photos

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