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File:Asteroids-KnownNearEarthObjects-Animation-UpTo20180101.gif

Original file (1,400 × 788 pixels, file size: 5.04 MB, MIME type: image/gif, looped, 20 frames, 2.0 s)

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Description
English: Twenty Years of Planetary Defense - July 23, 2018

https://www.jpl.nasa.gov/news/news.php?feature=7194

Animation depicts a mapping of the positions of known near-Earth objects

The animation depicts a mapping of the positions of known near-Earth objects (NEOs) at points in time over the past 20 years, and finishes with a map of all known asteroids as of January 2018. Asteroid search teams supported by NASA's NEO Observations Program have found over 95 percent of near-Earth asteroids currently known. There are now over 18,000 known NEOs and the discovery rate averages about 40 per week. Image credit: NASA/JPL-Caltech
Date
Source https://www.jpl.nasa.gov/images/asteroid/20180723/main-animation-16.gif
Author NASA/JPL-Caltech

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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inception

23 July 2018

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image/gif

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93443edca421fbc508f996c8c7c837262d6c2488

determination method or standard: SHA-1

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5,289,052 byte

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2.0000000000000004 second

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788 pixel

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1,400 pixel

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current01:02, 24 July 2018Thumbnail for version as of 01:02, 24 July 20181,400 × 788 (5.04 MB)DrbogdanUser created page with UploadWizard

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