{"id":9686,"date":"2015-01-19T13:52:08","date_gmt":"2015-01-19T18:52:08","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=9686"},"modified":"2015-01-19T13:52:08","modified_gmt":"2015-01-19T18:52:08","slug":"dawn-nearing-dwarf-planet-ceres","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=9686","title":{"rendered":"Dawn nearing dwarf planet Ceres"},"content":{"rendered":"

NASA’s Dawn spacecraft<\/a> is closing in on Ceres<\/a>,\u00a0the\u00a0largest object in the asteroid belt and now classified as a dwarf planet:<\/p>\n

\u00a0Dawn Delivers New Image of Ceres<\/a><\/strong><\/p>\n

NASA’s Dawn spacecraft closes in on Ceres, new images show the dwarf planet at 27 pixels across, about three times better than the calibration images taken in early December. These are the first in a series of images that will be taken for navigation purposes during the approach to Ceres.<\/p>\n

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The Dawn spacecraft observed Ceres for an hour on Jan. 13, 2015, from a distance of 238,000 miles (383,000 kilometers). A little more than half of its surface was observed at a resolution of 27 pixels. This animated GIF shows bright and dark features.\u00a0Image Credit: \u00a0NASA\/JPL-Caltech\/UCLA\/MPS\/DLR\/IDA\/PSI<\/em><\/div>\n<\/div>\n<\/div>\n

Over the next several weeks, Dawn will deliver increasingly better and better images of the dwarf planet, leading up to the spacecraft’s capture into orbit around Ceres on March 6. The images will continue to improve as the spacecraft spirals closer to the surface during its 16-month study of the dwarf planet.<\/p>\n

“We know so much about the solar system and yet so little about dwarf planet Ceres. Now, Dawn is ready to change that,” said Marc Rayman, Dawn’s chief engineer and mission director, based at NASA’s Jet Propulsion Laboratory in Pasadena, California.<\/p>\n

The best images of Ceres so far were taken by NASA’s Hubble Space Telescope in 2003 and 2004. This most recent images from Dawn, taken January 13, 2015, at about 80 percent of Hubble resolution, are not quite as sharp. But Dawn’s images will surpass Hubble’s resolution at the next imaging opportunity, which will be at the end of January.<\/p>\n

\u201cAlready, the [latest] images hint at first surface structures such as craters,” said Andreas Nathues, lead investigator for the framing camera team at the Max Planck Institute for Solar System Research, Gottingen, Germany.]<\/p>\n

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This processed image, taken Jan. 13, 2015, shows the dwarf planet Ceres as seen from the Dawn spacecraft. The image hints at craters on the surface of Ceres. Dawn’s framing camera took this image at 238,000 miles (383,000 kilometers) from Ceres.\u00a0Image Credit:\u00a0NASA\/JPL-Caltech\/UCLA\/MPS\/DLR\/IDA<\/em><\/div>\n<\/div>\n<\/div>\n

Ceres is the largest body in the main asteroid belt, which lies between Mars and Jupiter. It has an average diameter of 590 miles (950 kilometers), and is thought to contain a large amount of ice. Some scientists think it’s possible that the surface conceals an ocean.<\/p>\n

Dawn’s arrival at Ceres will mark the first time a spacecraft has ever visited a dwarf planet.<\/p>\n

“The team is very excited to examine the surface of Ceres in never-before-seen detail,” said Chris Russell, principal investigator for the Dawn mission, based at the University of California, Los Angeles. “We look forward to the surprises this mysterious world may bring.”<\/p>\n

The spacecraft has already delivered more than 30,000 images and many insights about Vesta, the second most massive body in the asteroid belt. Dawn orbited Vesta, which has an average diameter of 326 miles (525 kilometers), from 2011 to 2012. Thanks to its ion propulsion system, Dawn is the first spacecraft ever targeted to orbit two deep-space destinations.<\/p>\n

JPL manages the Dawn mission for NASA’s Science Mission Directorate in Washington. Dawn is a project of the directorate’s Discovery Program, managed by NASA’s Marshall Space Flight Center in Huntsville, Alabama. The University of California at Los Angeles (UCLA) is responsible for overall Dawn mission science. Orbital Sciences Corp. in Dulles, Virginia, designed and built the spacecraft. UCLA is responsible for overall Dawn mission science. The Dawn framing cameras were developed and built under the leadership of the Max Planck Institute for Solar System Research, Gottingen, Germany, with significant contributions by German Aerospace Center (DLR), Institute of Planetary Research, Berlin, and in coordination with the Institute of Computer and Communication Network Engineering, Braunschweig. The Framing Camera project is funded by the Max Planck Society, DLR, and NASA\/JPL. The Italian Space Agency and the Italian National Astrophysical Institute are international partners on the mission team.<\/p>\n

More information about Dawn is online at dawn.jpl.nasa.gov<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

NASA’s Dawn spacecraft is closing in on Ceres,\u00a0the\u00a0largest object in the asteroid belt and now classified as a dwarf planet: \u00a0Dawn Delivers New Image of Ceres NASA’s Dawn spacecraft closes in on Ceres, new images show the dwarf planet at 27 pixels across, about three times better than the calibration images taken in early December. … Continue reading Dawn nearing dwarf planet Ceres<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[75,13],"tags":[],"class_list":["post-9686","post","type-post","status-publish","format-standard","hentry","category-asteroids","category-space-science"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-2we","jetpack-related-posts":[{"id":9770,"url":"https:\/\/hobbyspace.com\/Blog\/?p=9770","url_meta":{"origin":9686,"position":0},"title":"Dawn returns best-ever images of dwarf planet Ceres","author":"TopSpacer","date":"January 27, 2015","format":false,"excerpt":"The Dawn spacecraft moves closer to the dwarf planet Ceres in the asteroid belt (compare to a week ago). 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