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Archiu:PIA22419-Neowise-1stFourYearsDataFromDec2013-20180420.gif

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PIA22419-Neowise-1stFourYearsDataFromDec2013-20180420.gif ((730 × 548 pixels, tamany de l'archiu: 3,54 MB, MIME tipo: image/gif), buclejat, 47 marcos, 4,7s)
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Summary

Description

This movie shows the progression of NASA's Near-Earth Object Wide-field Survey Explorer (NEOWISE) investigation for the mission's first four years following its restart in December 2013. Green dots represent near-Earth objects. Gray dots represent all other asteroids which are mainly in the main asteroid belt between Mars and Jupiter. Yellow squares represent comets.

Since the mission was restarted in December 2013, after a period of hibernation, the asteroid- and comet-hunter has completely scanned the skies nearly eight times and has observed and characterized 29,375 objects in four years of operations. This total includes 788 near-Earth objects and 136 comets since the mission restart.

JPL manages NEOWISE for NASA's Science Mission Directorate at the agency's headquarters in Washington. The Space Dynamics Laboratory in Logan, Utah, built the science instrument. Ball Aerospace & Technologies Corp. of Boulder, Colorado, built the spacecraft. Science operations and data processing take place at the Infrared Processing and Analysis Center at the California Institute of Technology in Pasadena. Caltech manages JPL for NASA.
Date (published)
Source Catalog page · Full-res (GIF)
Author NASA/JPL-Caltech/PSI
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA22419.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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This media is a product of the
Near-Earth Object Wide-field Survey Explorer
Credit and attribution belongs to the mission team, if not already specified in the "author" row

Licensing

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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actual21:43 15 maig 2018Sense miniatura730 × 548 (3,54 MB)wikimediacommons>HuntsterRemoving excess dead space. Cropped 48 % horizontally, 30 % vertically using CropTool with gif mode.

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