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This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
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Summary
Description |
English: Image made from models used to track debris in Earth orbit. Of the approximately 19,000 man-made objects larger than 10 centimetres in Earth orbit as of July 2009, most orbit close to the Earth.
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Date |
12 September 2009 |
Source |
NASA Earth Observatory |
Author |
Orbital Debris Program Office |
NASA illustration courtesy Orbital Debris Program Office.
Licensing
Public domainPublic domainfalsefalse |
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This file is in the public domain 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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Warnings:
- Use of NASA logos, insignia and emblems are restricted per US law 14 CFR 1221.
- The NASA website hosts a large number of images from the Soviet/ Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
- Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI. See also {{ PD-Hubble}} and {{ Cc-Hubble}}.
- The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.
- Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted.
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File usage
The following pages on Schools Wikipedia link to this image (list may be incomplete):
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