File:Asteroids-KnownNearEarthObjects-Animation-UpTo20180101.gif
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Summary
| 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
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:02, 24 July 2018 | | 1,400 × 788 (5.04 MB) | wikimediacommons>Drbogdan | User created page with UploadWizard |
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